P A G E A e ria l.— R o p e w a y C a lc u la tio n s (G. B rillo ), 81 ; R o p e w a y s ,
T h e M e ch a n ic s o f (G. B rillo ), 18 ; S u r v e y in g ... 296
A fr ic a , L i v in g (W illis)— R e v ie w ... 219
A fric a , N o te s o n th e P r o v is io n a l C o r r e la tio n o f th e R o c k s of S o u t h a n d C e n tra l (G. C. B a r n a rd ) ... 210
A fric a n a n d E u r o p e a n I n v e s t m e n t C o ... 2 62, 326 A fric a n S e le c tio n T r u s t ... 199
A la s k a , N o te s o n th e G e o lo g y of U p p e r N iz in a R iv e r ... 127
A lb e rta , Geology o f S o u th ern , e t c ... 191
A lc o c k — Z in c a n d L e a d D e p o sits o f C a n a d a — R e v i e w ... 348
A ld e rm a c M ine, 2 24, 2 9 4 ; A n d e rs o n a n d M c K a y — D ig e s t . . 58
A lg e ria , M e c h a n ic a l M in in g i n ... 125
A lu m in a te s , P r e p a r a ti o n of— P a t e n t ... 317
A lu m in iu m M e ta llu rg y — P a t e n t ... 3 1 8 A lu m i n iu m , S eco n d a ry (A n d e rso n ) ... 318
A m a lg a m a te d M e ta l C o rp o r a tio n ... 72
A m a ri N ig e ria T in M ines (1931) ... 192
A m e ric a n .— E n g in e e r s in R u s s ia , 2 ; I n s t i tu t e 6 0 th A n n i v e r s a r y ... 322
A m u le t M in e, F l o ta t io n a t ( H u b le r)— D ig e s t ... 305
A n a ly s is o f R o cks, C hem ical ( W a s h in g to n )— R e v i e w ... 219
A n a ly s is , T e c h n ic a l M eth o d s o f C hem ical ... 253
A n d e rs o n a n d M c K a y — A ld e rm a c M in e, Q u e b e c — D ig e s t . . . . 58
A n g lo A fric a n E x p lo r a tio n ... 199
A n g lo -A m e ric a n A la s k a A s s o c ia tio n ... 320
A n g lo A m e ric a n C o r p o r a tio n ... 70, 134, 198, 2 62, 326 A n g lo A m e ric a n H o l d i n g s ... 256
A n g lo -C o n tin e n ta l M ines C o ... 8
A n g lo - F re n c h E x p l o r a t io n C o ... 263
A n g lo -S p a n is h C o n s tru c tio n C o ... 326
A n y o x C o n c e n tr a to r ... 317
A p e x (T rin id a d ) O ilfield s ... 128
A r is to n G o ld M in es ... 8
A r lin g to n -R e lie f M in es ... 354
A s h a n ti G o ld fie ld s ... 7, 71 A s k a n ia M in im e te r, T h e ... 167
A s p h a lt, M in in g R o c k ... 125
A sso b a M in es ... 320
A s s o c ia te d G o ld M in es o f W e s te rn A u s t r a l i a ... 64
A s s o c ia te d N o r t h e r n B lo c k s (W .A .) ... 384
A s s o c ia te d O il D rille rs a n d R e fin e rs ... 256
A s s o c ia te d T in M in es of N i g e r i a ... 383
A s s o c ia tio n o f S c ien tific a n d T e c h n ic a l I n s t i tu t io n s . . . . 130, 258 A s tu ria s M in e ra ls C o r p o r a tio n ... 128
A u s tra l D e v e lo p m e n t ... 136
A u s tra lia .— G o ld B o n u s in , 2 ; M in e ra l P r o d u c tio n o f, in 1930, 35 3 ; S h a le-O il I n d u s t r y o f ... 98, 353 A w k r a t M i a e s ... 320
p a g e 71 B a u x ite in th e G old C o a st ... B a w d w in M ine, O re R e s e rv e C a lc u la tio n s a t th e (A. B. C o lq u h o u n ) ...’... 329
B e a t ty , G. H .— T h e R a n d f o n te in E s t a t e s ... 137
B e n g u e la R a ilw a y ... 194
B erg b a u m ech a n ik (M aerk s)— R e v i e w ... 91
B e ry l M in in g C o ... 34
B e ry l, T r e a t m e n t o f ... 252
B e ry lliu m M e ta llu rg y (2), 252 ; P a t e n t ... 382
B e tts C ove A re a , N e w fo u n d la n d , G e o l o g y ... 317
B ib ia n i (1927), L t d ... 7
B id e fo rd B la c k , D re s s in g of— M o rg a n s— D ig e s t... 60
B i r th d a y H o n o u r s ... 322
B is m u th in th e T r a n s v a a l ... 2 2 8 - D ig e s t 253 127 381 126 136 B.C. S ilv e r M in e s ... 355
B alag h & t G o ld M in es ... 200
B a ll-M ill.— E ffic ie n c y , 2 5 2 ; S tu d ie s , 1 9 0 ; W o r k I n p u t (G ro ss a n d Z im m e rle y )— D i g e s t ... 369
B a n n is te r a n d G o w la n d — T h e M e ta llu r g y o f th e N o n -F e r r o u s M e ta ls— R e v ie w ... 90
B a r k e r — T h e S tu d y o f C ry sta ls— R e v ie w ... 157
B a r n a r d , G. C .— N o te s o n th e P ro v is io n a l C o rre la tio n o f t h e R o c k s o f S o u th a n d C e n tra l A f r i c a ... 210
B a r r e tt a n d Gregory— G e n e ra l S t r a t ig r a p h y — R e v ie w ... 220
B a r r y - H o l l i n g e r ... 40, 96, 164, 224 B a r to li P r o c e s s ... 227
B a r y te s R e fin in g — P a t e n t ... 318
B a te m a n , H .B ., a n d R . P . R e ic h e n b a c h — G e o p h y s ic a l T e s ts in t h e R h in e V a l l e y ... 280.
B itu m in o u s O res, T r e a t m e n t of— P a t e n t B itu m in o u s S a n d sto n e n ea r V ern a l, U tah B la c k b u rn — N e w C o n c e n tra to r, T re a d w e ll Y u k o n - B la s t- F u r n a c e S lag s a n d o t h e r D a t a . B o r a x C o n s o lid a te d ... B o re -H o le .— C o res a n d S lu d g e s, D . K . F . M a c L a c h la n o n S a m p lin g a n d E s tim a tio n o f, 132 ; a n d D ig e s t, 180 ; G . F . H a t c h o n C h e c k S a m p lin g a t T r e p c a M ines, 132, 190 ; P u m p in g ... 252
B o r n ite L e a c h in g ... 252
B o u ld e r P e r s e v e r a n c e ... 99, 384 B o y d e ll— G eo lo g ical S tr u c t u r e a t th e K e e le y M ine— D ig e s t 247 B r a c k e n b u r y , C., o n C lay M in in g in S o u th D e v o n 132, 190 B r a k p a n ... 262
B ra lc o D e v e lo p m e n t a n d I n v e s tm e n t C o ... 94
B rillo , G .— A e ria l R o p e w a y C a lc u la tio n s , 8 1 , a n d T h e M e ch an ics o f A e ria l R o p e w a y s ... 18
B rise is T in M ine ... 98
B r ita n n ia L e a d ... 64
B r ita n n ia M in in g a n d S m e ltin g C o 3 7 , 94 B ritish -B o rn e o P e tro le u m S y n d ic a te ... 264
B r itis h C o lu m b ia M in e ra l O u t p u t f o r 1 930 ... 93
B r itis h I n d u s tr ie s F a i r ... 131,168 B r itis h N o n - F e r ro u s M e ta ls R e s e a rc h A s s o c ia tio n ’s N ew H e a d q u a r te r s O p e n e d ... 322
B r itis h O ilfields D e v e lo p m e n t S y n d i c a t e ... 128
B r itis h S o u th A fric a C o ... 1 3 4 ,1 3 6 , 327 B ro d ig a n , C. B ., o n R a n d M in in g P r a c tic e ... 2 5 9 B ro k e n H ill.— M e ta llu rg y a t , 125 ; M in e ra ls (S m ith )— D ig e s t 241 B ro k e n H ill P r o p r i e ta r y B lo c k 14 C o ... 128
B ro k e n H ill P r o p r i e ta r y C o ... . ^ ^ ^ ^ 7 2 , 2 6 3 , 2 9 1 , 317 B ro k e n H ill S o u th ... ¿ 6 3 , 2 9 1 , 316 B u e n a T ie r r a M i n i n g ...^2 0 B u e n o s A ires E x h i b i t i o n ... ... • • 194
B u k o b a ( T a n g a n y ik a ) T in fie ld s . . ? B u r m a C o r p o r a tio n ...- I . . 328
B w a n a M ’K u b w a ...% ... # > 7 0 , 134 C a d m iu m .— A ssa y , 126 ; D e te c tio n . . . ... 317
C a lc iu m -M a g n e siu m S e p a r a t i o n ... 382
C a lifo rn ia , M e ta l M in i n g i n ... 63
C a lifo rn ia : N a m e s a n d D e fin itio n s o f Geologic U n i t s ... 253
C a m b rid g e U n iv e rs ity M in e ra lo g y D e p a r tm e n t ... 130
C a m e ro n — D e e p h o le D rillin g a t th e R o s e b e ry M ine— D ig e s t 309 C am sell, D r. C h a rle s, R e c e iv e s I n s t i tu t io n G o ld M e d al 2 58, 322 C anada, L e a d a n d Z in c D e p o sits o f (A lco ck )— R e v i e w ... 348
C a n a d a .— M in e ra l O u t p u t f o r 1930, 2 23 ; N e w H ig h C o m m is s io n e r ... 2
C a n a d ia n C o p p e r R e fin e rs, L t d ... 164
U %
PA G E C a n a d ia n L o r ra in ... 2 6 4 C a n d lish , E . D .— D ia m o n d R e c o v e ry fro m G ra v e ls a n d C lay s
in G o ld C o a st C o l o n y ... 333
C a n u s a ... 356
C a p e A s b e s to s ... 383
C a p e C o a s t E x p lo r a tio n ... 198
C a rb o n a c e o u s S lim e T a ilin g s , R e t r e a t m e n t o f ... 252
C a rn o c h a n a n d S p e n c e — R a d iu m i n O n t a r i o — D i g e s t ... 377
C a r p e n te r , S ir H a r o ld , a n d A n c ie n t M e ta l lu r g y ... 2 5 8 C e n tra l M a n i t o b a ... 41, 96, 225 C e n tra l M in in g a n d I n v e s t m e n t C o r p o r a t i o n ... 326
C e n tra l P a t r i c i a ... 9 6 , 2 95, 357 C e n tra l P ro v in c e s M a n g an e se O re C o ... 200
C e rro d e P o t o s i ... 198
C h a m b ish i, G e o lo g y a n d O re -D e p o s its o f ... 252
C h a m p io n R e e f ... 200
C h in e se E n g in e e r in g a n d M i n i n g ... 328
C h o se n C o r p o r a tio n ... 94
C h ro m ite .— in A sia M in o r, 317 ; in O n ta r io ( H u r s t) — D ig e s t 189 C h ro m iu m .— D e te rm in a tio n , 126 ; M e ta llu rg y — P a t e n t . . . . (52
C ity D e e p ... 318
C la rk , A. W .— O re -D e p o s its o f th e O ta v i M o u n ta in s , S o u th - W e s t A f r i c a ... 265
C la ssific a tio n .— b y E l u tr i a t io n — P a t e n t , 191 ; of F in e P o w d e rs ... 382
C la y M in in g in S o u th D e v o n , C. B r a c k e n b u r v o n 132, 190 C le m m e r a n d D e V a n e y — C o n c e n tra tio n o f M a n g a n ife ro u s I ro n O re s— D i g e s t ... 125
C lo k e— D iffe re n tia l A b ra s iv e M illin g — D i g e s t ... 189
C lo n c u rry M i n e r a l s ... 352
C o a l.— A u s tra lia n , 35, 161, 2 22, 2 90, 353 ; B r i ti s h C o lu m b ia n , 3 8 ; C o m p o s itio n o f W y o m in g , 252 ; H y d r o g e n a tio n , 197 ; S t r i p M in in g of ... 382
Coal, T h e P ro p a g a tio n o f C o m b u stio n i n P o w d e r e d ... 127
Coal D u s ts , In fla m m a tio n o f ... 253
Coal F ie ld s o f th e U n ited S ta te s ... 127
C o lo g n e M in in g E x h i b i t i o n ... 258
C o lo m b ia n M in in g a n d E x p lo r a tio n ... 264
C o lq u h o u n , A. B .— O re R e s e rv e C a lc u la tio n s a t t h e B a w d w in M i n e ... 329
C o lu m b iu m a n d T a n t a l u m , E x t r a c t io n o f ( F in k a n d J e n n e s s ) — D ig e s t ... 124
C om pressed A i r P la n t (P e ele )— R e v i e w ... 287
C o n ia u ru m ... 95, 2 23, 294 C o n s o lid a te d A fric a n S e le c tio n T r u s t ... 199
C o n s o lid a te d D ia m o n d M in es ... 6, 198, 263 C o n s o lid a te d G o ld A llu v ia ls of B r itis h C o l u m b i a 128, 225 C o n s o lid a te d M ines S e lec tio n C o ... 200
C o n s o lid a te d M in in g a n d S m e ltin g Co. 37, 38, 94, 96, 136, 353, 355 C o n s o lid a te d T i n M ines o f B u r m a ... 64
C o p p e r.— C y a n id e E x tr a c tio n f o r O x id ize d O res (D u n s ta n )— D ig e s t, 3 14 ; E x t r a c t io n — P a t e n t , 126 ; M illing in N ew M ex ico (H o d g e s)— D ig e s t, 380 ; -N ick e l in H u d s o n B a y , 317 ; O re F l o ta t io n in P o r tu g a l, 317 ; P r o d u c tio n of H ig h C o n d u c tiv ity — P a t e n t , 191 ; R e c o v e ry f ro m F in e O res a n d D u m p M a te ria ls (S u lliv a n a n d T o w n e)— D ig e s t, 113 ; R e d -B e d D e p o s its , 382 ; R e fin in g — P a t e n t , 253 ; R e fin in g a t M o u n t L y e ll, 252 ; -S h a le o f M an sfeld, D r. J . W . G re g o ry o n , 3 ; V e r m o n t D i s t r i c t ... 317
C o p p e r Cliff ... 39, 96 C o p p e rm in e R iv e r A re a G e o lo g y ... 317
C o rn ish Geology, H a n dbook o f (D a v iso n , E . H .) — R e v i e w 349 C o rn w a ll, M in in g S c h e m e f o r ... 41
C o v e llite L e a c h in g (S u lliv a n )— D ig e s t ... 187
C ro w le, P . J -, o n K o la r G o ld F ie ld R o c k - B u r s t s ... 67, 125 C ro w n D ia m o n d M ining a n d E x p lo ra tio n C o ... 134
C ro w n M in es 2 27, 254 C r u s h in g P r a c t i c e ... 190
C rysta ls, T h e S tu d y o f (B a rk e r)— R e v i e w ... 157
C y a n id a tio n , E ffe c ts of C o p p e r a n d Z in c o n ... 382
C y a n id e .— E x t r a c t io n fo r O x id ize d C o p p e r O res (D u n s ta n ) — D ig e s t, 314 ; N e w M e th o d fo r R e c o v e ry o f ... 322
D a g g a f o n te in M i n e s ... 7 0 , 159, 198, 2 62, 326 D a m s .— A D e v ic e f o r C o n tro llin g M ine, G. T r e s t r a i l o n ... 3
D a v ie s .— F a n T e s tin g — D i g e s t ... 115
p a g e D a v is .— A c tio n o f S u lp h u r D io x id e o n M a n g a n e s e O res D i g e s t ... D a v is o n , C .— J a p a n e se E a rth q u a ke o f 1 923— R e v i e w ... D a v is o n , E . H .— H a n d b o o k o f C o rn ish Geology— R e v i e w ... D a w s o n G o ld M i n e s ... D e B e e rs C o n s o lid a te d ... 9 , 'O, D e n o ë l a n d F o u r m a r ie r — Géologie et I n d u s tr ie M i n é r a l e d u P a y s de L ièg e— R e v i e w ... D e n v e r P o r ta b le M ills ... D e V a n e y a n d C le m m e r— C o n c e n tra tio n o f M a n g a n i f e r o u s I r o n O re s— D ig e s t ... D ia m o n d .— M in es o f S o u th A fric a , 190 ; R e c o v e ry f r o m G ra v e ls a n d C la y s in G o ld C o a s t C o lo n y (E . D . C a n d lis h ), 333 ; R e s tr ic tio n S c h e m e , 6, 2 64, 3 2 6 ; S o u th e r n R h o d e s ia D i a to m i te ... D o m e M in es ... 4 0 , 9 5 , 163, D o m in io n E x p lo r e r s , L t d ... D o r r Co. C h a n g e s ... D r a p e r, M e m o ria l t o D r . D a v id ... D r e d g in g a R i v e r ... D rill.— S a m p lin g , 62 ; S te e l S h a r p e n e r , N e w ... D rillin g , D e e p h o le , a t th e R o s e b e ry M in e (C a m e ro n )— D ig e s t D u n s ta n — C y a n id e E x t r a c t io n f o r O x id iz e d C o p p e r O re s — D ig e s t, 31 4 ; a n d E le c tr o -D e p o s itio n o f G o ld — D ig e s t . . . . D u r b a n R o o d e p o o r t D e e p ... 70,
D u s t in M in in g ... D w ig h t- L lo y d .— F u r n a c e — P a t e n t , 2 5 3 ; P r o c e s s A p p lie d to R a m m e ls b e r g e r O re s ... 190 352 3 4 9 35 4 198 2 8 8 2 3 3 125 34 382 3 5 6 317 3 62 296 190 103 309 179 255 62 252 E a s t C o rn w a ll W o lf r a m ... 384
E a s t G e d u ld M in es ... 7 0 , 1 9 8 , 2 5 5 , 262 E a s t P o o l a n d A g a r ... 4 1 , 20 0 , 2 2 8 E a s t R a n d P r o p r i e t a r y ... 318
E c o n o m ic s o f P r e c io u s M e ta ls P r o d u c ti o n ... 317
E le c tr o -D e p o s itio n o f M e ta ls — P a t e n t ... 191
E le c tr o ly s is o f M o lte n H a lo id s — P a t e n t ... 191
E le c tr o ly tic R e f i n i n g ... 317
E le c tr o ly tic Z in c C o ... 71
E l u tr i a t io n .— in C la s sific a tio n — P a t e n t , 126 ; in O r e -D re s s in g (G a u d in , G ro h a n d H e n d e r s o n ) — D i g e s t ... 49
E m e r a ld s in th e T r a n s v a a l ... 34
E m p ir e M in e ra l R e s o u r c e s 6 6 , 131 E n g lis h C ro w n S p e lte r C o ... 136
E n g lis h S te e l C o r p o r a tio n W in d in g E n g in e s . E n te r p r is e S y n d ic a te ... E s p e ra n z a , L t d ... E x p lo s io n M e a s u r i n g ... E x p lo s iv e s , T o x ic G a se s f ro m ... 231 99 382 190 F a b u lo s a M i n e s ... 3 8 4 F a l c o n b r i d g e ... 3 9 , 9 6, 1 6 2 , 2 2 4 , 355 F a n .— S e le c tio n o f a M ine (H . G . S m ith ), 2 1 3 , 2 5 8 ; T e s tin g (D a v ie s)— D ig e s t ... 115
F a n t i C o n s o lid a te d I n v e s t m e n t C o ... %. . . 8
F e ls p a r , M a g n e tic P u r if ic a tio n o f G r o u n d — D i g e s t ... 61
F e r r e i r a E s t a t e ... 70
F e r ro A llo y , P r o p r i e ta r y L t d ... 35
F ilte rin g L e a d a n d Z in c C o n c e n tr a te s (C. Q . S c h le r e th ) ... 157
F i n k a n d J e n n e s s — E x t r a c t io n o f T a n t a l u m a n d C o lu m b iu m — D i g e s t ... 124
F ir e d a m p , I g n itio n of, e t c ... 126
F lin F l o n ... 49, F l o ta t io n .— a t th e A m u le t M ine ( H u b le r ) — D ig e s t, 3 05 ; of C o p p e r O re in P o r tu g a l, 317 ; E f fe c t o f G r in d in g T im e a n d P u lp D ilu tio n o n , 2 5 2 ; E f fe c t o f P a r tic le S iz e o n , 252 ; o f G o ld in C o p p e r O re s ( L e a v e r a n d W o o lf)— D ig e s t, ¿51 ; L e a d -Z in c , 62 ; a t N o r t h B r o k e n H ill, 317 ; o f O x i4 ize(j S ilv e r O re s (G ieser)— D ig e s t, 3 1 2 ; P l a n t in A lg e ria , 19Q .
“ P o is o n s ,” C o n tr o l of— P a t e n t , 191 ; a t Z in c C o rp o ra tio n F o u r m a r ie r a n d D e n o ë l— Géologie et I n d u s tr ie M in é ra le d u
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G a se s, I n fla m m a b le ... 382
Gatoom a a n d B a ttle fie ld s, Geology o f C o u n try b e tw e e n ... 191
G a u d in , H e n d e rs o n a n d G ro h — E lu tr i a t io n in O re -D ressin g — D ig e s t ... 49
G e c o E le c tr ic S a m p l e r ... 361
G e d u ld P r o p r i e ta r y M ines ... 255
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G e ld e n h u is D e e p ... 192
G e n e ra l M in in g a n d F in a n c e C o r p o r a tio n ... 263
G e n e v a L a k e , O n ta rio , L e a d -Z in c D e p o s it ... 382
G e o lo g ic a l S u rv e y , N e th e rla n d s E a s t In d ie s ( J . B. S c riv e n o r) 285 Géologie et In d u s tr ie M in é r a le d u P a y s de L ièg e ( F o u rm a rie r a n d D e n o ë l— R e v ie w ... 288
Geology, B ib lio g ra p h y o f N o r th A m c r ic a n ... 253
Geology, E le m e n ta ry E co n o m ic (R ies)— R e v i e w ... 350
Geology, O u tlin e o f H isto ric a l ( S c h u c h e rt)— R e v ie w ... 351
Geology, O u tlin e s o f P h y sic a l (L o n g w ell)— R e v i e w ... 92
G eo p h y sics.— D e te rm in a tio n o f M a g n e tic F ie ld s— P a t e n t , 317 ; E le c tr ic a l E x p lo r a tio n in C ivil E n g in e e rin g ( L e o n a rd o n )— D ig e s t, 1 8 5 ; E le c tr ic a l P r o s p e c tin g in , 1 2 6 ,2 5 2 ; E l e c t r o m a g n e tic A b s o r p tio n b y R o c k s , 382 ; E x h ib itio n of A p p a r a tu s u s e d in , 194 ; G ro u n d R e s is tiv ity M ap , 317 ; M a g n e tic S u rv e y in g , 190 ; M e a s u re m e n t o f R e s is tiv ity , 190 ; N e w P ro c e s s in — P a t e n t , 126 ; P ro p o s e d S c h o o l of, a t th e I m p e r ia l C ollege, 133 ; R a d io re M e th o d s in , 317 ; S u rfa c e P o t e n ti a l M e th o d s , 317 ; T e s ts in th e R h in e V a lle y (R . P. R e ic h e n b a c h a n d H . B. B a t e m a n ) ... 280
G eophysics, A p p lie d (S h a w )— R e v i e w ... 194
G eo p h ysik, H a n d b u c h der— R e v ie w ... 349
G e o th e rm a l G r a d ie n t in R o c k s ... 317
G ieser— F lo ta tio n o f O x id iz e d S i lv e r O re s — D i g e s t ... 312
G lo b e a n d P hoenix G o ld ... 319
G lo u c e ste r-M a n g a n e s e C o ... 227
G o ld .— A llu v ia l in th e B o liv ia n A n d e s , 317 ; A llu v ia l in K o re a , 62 ; -B e a rin g P y r ite in th e P y re n e e s , 190 ; B o n u s in A u s tra lia , 2 ; D is c o v e ry in Q u e e n s la n d , 160 ; E le c tro - D e p o s itio n o f (D u n s ta n ) — D ig e s t. 179 ; F i n d in W e s te rn A u s tra lia , 36 ; F l o ta t io n of, in C o p p e r O re s (L e a v e r a n d W o o lf)— D ig e s t, 251 ; M in in g in A u s tra lia , 291 ; M ining, S o m e M e th o d s o f (W h ite h o u s e )— D ig e s t, 177 ; M u rc h iso n R a n g e O re s, 34 ; N e w Z e a la n d , 317 ; N u g g e t F in d in L a rk in v ille , 71, 99 ; O ra n g e F r e e S t a te , 158, 227 ; O rig in o f R a n d , 126 ; R e e f D is c o v e ry in S o u th e r n R h o d e s ia , 92 ; in S o u th e rn R h o d e s ia , 2 9 5 ; S t a n d a r d R e p la c e m e n t, S ir A u c k la n d G e d d e s o n , 3 2 4 ; T u b e -M illin g O re s o f 190 G o ld C o a s t C o lo n y , D ia m o n d R e c o v e ry f r o m G ra v e ls a n d C la y s in (E . D . C a n d l is h ) ... 333
G old C o a st C o n s o lid a te d L a n d s ... 320
G o ld C o a s t M i n e s ... 128
G o ld M ines o f A u s tra lia ... 353
G o ld e n H o rs e S h o e ( N e w ) ... 8
G o p e n g C o n s o l i d a t e d ... 135
G o v e r n m e n t G o ld M in in g A re a s ... 254
G o w la n d a n d B a n n is te r — T h e M e ta llu r g y o f the N o n Ferrous M eta ls— R e v ie w ... 90
G r a n a d a R o u y n ... 40, 164, 224, 294, 357 G r a n b y C o n s o lid a te d M in in g , S m e ltin g a n d P o w e r Co. 38, 94, 354 G reensand B ib lio g ra p h y to 1 9 3 0 ... 191
G re g o ry , D r . J . W -, o n C o p p e r-S h a le o f M a n s f e l d ... 3
G r e g o ry a n d B a r r e t t — G eneral S tra tig r a p h y — R eview ... 220
G r iq u a la n d E x p l o r a t io n a n d F in a n c e ... 64
G ro h , G a u d in a n d H e n d e rs o n — E l u tr i a t io n in O re -D re ssin g — D i g e s t ... 49
G r o o tv le i P r o p r i e ta r y M in es 198, 262 G ro s s a n d Z im m e rle y — B all-M ill W o rk I n p u t — D i g e s t 369 H a d fields C r u s h e r s ... 232
H a n l o n ’s R e w a rd ( J e r v o is R a n g e ), L t d ... 222
H a n t o n — M eta llife ro u s M in e S u r v e y in g — R e v i e w ... 91
H a r v e y ’s W o rk s , R o y a l V is it t o ... 362
H a tc h , G. F ., o n C h e c k S a m p lin g o f D ia m o n d D rill-H o le s a t T r e p c a M in es ... 132, 190 H a u la g e b y E le c tr ic L o c o s ... 252
H e c la M in in g C o ... 2 2 6 H e id e lb e rg D is tr ic t o n th e R a n d ... 3 5 8 H e n d e rs o n , G a u d in a n d G ro h — E lu tr i a t io n in O re -D ressin g — D i g e s t ... 49
H ig n e tt, R o y s te r a n d M a d o rs k y — S m e ltin g of P o ta s h a n d P h o s p h a te M in e ra ls— D ig e s t ... 119
H o b s o n C re e k M in in g C o ... 355
H o d g e s— C o p p er-M illin g in N ew M ex ico — D i g e s t ... 380
H o is tin g , U n d e r g r o u n d ... 125
H o le -D ire c to rs , H . S im o n o n T h e U se of, in G r o u n d -B re a k in g C o n tro l, 195 a n d D ig e s t ... 243
H o llin g e r C o n s o lid a te d ... 40, 95, 163, 223, 2 93, 356 H o llin g e r P r e c ip ita te , M a tth e w S c o t t o n T r e a t m e n t o f, to P ro d u c e F in e G o ld , 1 9 5 , a n d D i g e s t ... 2 4 8 H o lm a n D rill S h a r p e n e r ... 360
H o n g k o n g T in ... 8
H o w e S o u n d C o ... 9 4 , 225 H o w e y M i n e ... 96, 2 95, 357 H u b le r — F l o ta t io n a t th e A m u le t M ine— D i g e s t ... 305
H u d s o n B a y M in in g a n d S m e ltin g Co. . . 96, 164 (2), 224, 295, 357 H u n t a n d K r a u s — Ta b les fo r the D e te rm in a tio n o f M in e r a ls — R e v i e w ... 91
H u r s t — C h ro m ite in O n ta rio — D ig e s t ... 189
H y d r o g e n a tio n — P a t e n t ... 317
I.M .M . Siev e P a s s e s ... 3 2 4 Id a h o , A G raphic H is to r y o f M e ta l M in i n g i n ... 127
I d ris H y d r a u lic T i n ... 328
I g n a tie ff, A .— G o ld R e e fs a t R e m a n c e M ine, P a n a m a ... 153
I n d ia n C o p p e r C o r p o r a t i o n ... 8, 328 In d o -C h in a , M in e ra l I n d u s t r y o f ... 382
I n s t i tu t e o f M e ta ls.— A m e ric a n M eetin g , 130 ; N e w J o u r n a l 66 I n s t i tu t io n .— A n n u a l M eetin g , 322 ; D in n e r, 2 5 8 ; G o ld M e d a l ... 2 5 8 I n te r n a t i o n a l D ia m o n d s ... 256
I n te r n a t i o n a l N ic k e l C o 39, 96, 162, 224, 355 I r o n .— C o n c e n tra tio n o f M a n g an ifero u s O re s (D e V a n e y a n d C lem m er)— D ig e st, 125 ; M in in g in A u s tra lia , 316 ; O re I n d u s tr y , th e L a k e S u p e r io r (R . S. L ew is), 342 ; S p o n g e , M a n u fa c tu re — P a t e n t s ... 2 5 3 , 317 Is a m u n g u G o ld M ine ... 128
I t n a f M in e s ... 320
J a p a n e se E a rth q u a ke o f 1923 (C. D a v is o n )— R e v i e w ... 352
J e n n e s s a n d F in k — E x t r a c t io n o f T a n t a l u m a n d C o lu m b iu m — D i g e s t ... 124
J e p p e , C. W . B ., R e c e iv e s C o n s o lid a te d G old F ie ld s M ed al 258, 323 J e rv o is R a n g e M in e r a ls ... 222
J o s T in A re a (N ig eria) ... 127
K a d u n a P r o s p e c to rs ... 327
K a d u n a S y n d i c a t e ... 327
K a fu e C o p p e r D e v e lo p m e n t C o ... 7
K a g e ra (U g a n d a ) T i n f i e ld s ... 71, 383 K a n s a n s h i M ine ... 7, 327 K a ta n g a - R h o d e s ia S e d im e n ts ... 62
K a y Y e w ( K in ta V a lle y ) T in M ines ... 263
K e e le y M ine G eo lo g ical S tr u c t u r e (B o y d e ll)— D i g e s t ... 247
K e n d a ll— S ta m p -M ill S c ree n s— D ig e s t ... 370
K e ttr id g e — F re n c h -E n g lish a n d E n g lis h -F r e n c h D ic tio n a ry , e tc .— R e v i e w ... 158
K in ta T in ... 3 8 4 K ir k la n d L a k e ... 40, 96, 163, 2 23, 2 94, 356 K o ffy fo n te in M ines ... 198
K ohle, E n steh u n g , V eredlung, u n d V erw ertu n g der— R e v ie w . . 350
K o la r G o ld F ie ld R o c k - B u r s ts , P . J . C row le o n ... 67
K o o te n a y -F lo r e n c e ... 226
K o re a , A llu v ia l G o ld i n ... 62
K r a u s a n d H u n t — Ta b les f o r the D e te rm in a tio n o f M in e r a ls — R e v i e w ... 91
K u r r a F a lls H y d r o - E le c tric S t a t i o n 2 , 32 L a k e S h o re ... 40, 95, 163, 2 23, 2 94, 356 L a k e S u p e r io r I ro n O re I n d u s t r y (R . S. Lew is)... ... 342
L a k e V iew a n d S t a r ... 6 3 , 99, 1 35, 199, 263 L a n d a n d R o y a l t y ... 320 L a n g la a g te E s t a t e a n d G o ld ... 2 5 5
PA G E
L a w n H ills ... ^
L e a c h in g I m p r o v e m e n ts — P a t e n t ... 382
L e a d . —D e te rm in a tio n o f, 382 ; P r o d u c tio n of W h ite — P a t e n t , 62 ; -S ilv e r D is c o v e rie s n e a r M o u n t Is a , 36 ; S m e ltin g , 125 ; -Z in c C o n c e n tra te s , F ilte r in g (C. Q. S c h le re th ), 157 ; -Z in c D e p o s t, G e n e v a L a k e , O n ta rio , 382 ; -Z in c F l o t a t i o n 62 L e a d a n d Z in c D e p o sits o f C a n a d a (A lco ck )— R e v i e w --- . . . . 348
L e a v e r a n d W o o lf— F l o ta t io n o f G o ld in C o p p e r O res— D ig e s t 251 L e n a G o ld f ie ld s ... 8
L e o n a rd o n — E le c tr ic a l E x p lo r a tio n in C iv il E n g in eerin g - D ig e s t ... L ew is, R . S .— T h e L a k e S u p e r io r I r o n O re I n d u s t r y ... L ig h tn in g C re e k G o ld M in e s ... L o n d o n T in C o r p o r a t i o n ... L o n e ly R e e f G o l d ... L o n g w ell— O u tlin e s o f P h y s ic a l Geology— R e v i e w ... L o m e G o ld M in es ... 39, 94 L o w , V . F . S .— P a n a m a ...201 > 273 L o w e r B isic h i (N ig eria) T in M i n e s ... 135
L o w e r P e r a k T in D r e d g i n g ... l ^ 2 L u ip a a r d ’s V lei E s t a t e a n d G o ld M in in g C o ... 134
L y d e n b u r g G o ld F a r m s C o 2 62, 357 L y d e n b u r g P la tin u m A r e a s ... p a g e , 264 185 342 225 136 383 92 93 M cC reed y T i n s ... I 2 ? M c In ty re P o r c u p i n e ... 40, 95, 163, 2 9 3 , 356 M c K a y a n d A n d e rs o n — A ld e rm a c M in e, Q u e b e c — D i g e s t 58 M a c L a c h la n , D . K . F . , o n S a m p lin g a n d E s t im a ti o n o f B o re - H o le C o re s a n d S lu d g e s, 132, a n d D i g e s t ... 180
M a c a s s a ... 356
M a d o rs k y , H ig n e tt a n d R o y s te r — S m e ltin g o f P o ta s h a n d P h o s p h a te M in e ra ls— D ig e s t ... 119
M a erk s— B ergba u m ech a n ik — R e v ie w ... 91
M a g n esite i n th e T r a n s v a a l ... 358
M a g n esiu m -C a lc iu m S e p a r a t i o n ... 382
M ag n etic.— S e p a ra to r, A N e w , 2 2 9 ; S u s c e p tib ility o f C o re S a m p le s ... 190
M a la ria P re v e n tio n ... 66
M a la y a , O p e n in g f o r B r itis h P l a n t i n ... 161
M a la y a n S ta tis tic s ... 37
M a n g an e se .— N a t a l, 227 ; O re s, A c tio n of S u lp h u r D io x id e o n (D a v is)— D i g e s t ... 190
M a n g an e se C o r p o r a t i o n 3 4 , 358 M a n g a n ife ro u s I r o n O re s, C o n c e n tra tio n o f (D e V a n e y a n d C le m m e r)— D ig e s t ... 125
M a n ito b a , P r o s p e c tin g A re a s in N o r t h - W e s t ... 317
M a n sfe ld C o p p e r-S h ale , D r . J . W . G re g o ry o n ... 3
M a so n , D e a th o f F . H ... 165
M aso n a n d B a r ry , L t d ... 2 6 4 M aw ch i M i n e s ... 72
M e lc h e tt, D e a t h o f L o r d ... 2
M e p ale (B u rm a ) O i l ... 128
M e rric k s, F r a n k , R e c e iv e s F r e n c h H o n o u r ... 296
M e ru T i n ... 8
M e ta l.— P o s itio n a t e n d o f 1930, 4 ; P ric e s , W . P e lle w -H a rv e y o n E ffe c t o f F a ll of, 323 ; S c ra p , D e -T in n in g — P a t e n t , 382 ; S p o n g e , P ro d u c tio n of— P a t e n t ... 191
M e ta llg e s e lls c h a ft ... 72
M e ta l lo g r a p h y ... 382
M e ta llu rg y .— A n c ie n t, 2 5 8 ; B r o k e n H ill, 1 2 5 ; in S o u th A fric a (S. W . S m i t h ) ... 24
M e ta llu r g y o f the N o n -F e rro u s M eta ls (G o w la n d a n d B a n n is te r ) — R e v ie w ... 90
M e tro p o lita n -V ic k e rs W in d in g E n g i n e s ... 105
M e y e r a n d C h a r lto n G o l d ... 313
M illing.— D iffe re n tia l A b ra s iv e (Cloke)— D ig e s t, 189, a n d P a t e n t , 2 5 3 ; P r a c t i c e ... 190
M iln er— S e d im e n ta r y P etro g rap h y— R e v i e w ... 89
M in e L a m p s , P e rm issib le E l e c t r i c ... 03
M ine T im b e r P r e s e r v a tio n — T a y lo r — D i g e s t ... 50
M in e ra l.— C la ssific a tio n — P a t e n t , 126 ; R e s o u rc e s E x h ib itio n , 6 6 , 1 3 1 , 1 9 4 ; R e s o u rc e s S u r v e y ... 2 5 8 M in e r a l P o s itio n o f th e B r itis h E m p ir e , A S u r v e y o f— R e v ie w 131 M in e r a l P ro d u cts, G uide to the S tu d y o f N o n - M e t a l li c ... 382
M in e ra lo g y , S p e c tr u m A n a ly s is i n ... 3 1 8 91 177 192 2 5 5 3 5 6 M in e ra ls S e p a ra tio n ... M in e r a ls , T a b les fo r the D e te rm in a tio n o f ( K r a u s a n d H u n t ) — R e v ie w ... M in in g .—A llu v ia l T in w ith D ra g lin e E x c a v a t o r s (S. A- W e s tr o p ), 9 ; C la y in S o u th D e v o n , C. B r a c k e n b u r y o n , 132, 190 ; L o s s e s o f O re in , G . W . E a t o n T u r n e r o n , 67, 125 , O p e n - S to p e , 3 1 6 ; P e lle w - H a r v e y o n E f fe c t o f F a ll in M e ta l P ric e s o n , 3 2 3 ; S u p p o r t o f W o rk in g s in D e e p , P* J- C ro w le o n , 67, 125 ; W it w a t e r s r a n d (W h ite h o u s e )— D ig e s t M o d d e rfo n te in B ... M o d d e rfo n te in D e e p L e v e l s ... M o ff a tt- H a ll ... M o ly b d e n u m A n a ly s is — D i g e s t ... I 23 M o n d N ic k e l C o m p a n y R e fin e ry O p e n i n g ... 261
M o n e y ve rsu s M a n ... 191
M o n ta n a : Geology o f th e B i g S n o w y M o u n t a i n s ... 383
M o n tr e a l M in e (S c h au s)— D i g e s t ... 125
M o rg a n s — D r e s s in g o f B id e fo r d B la c k — D ig e s t ... 60
M o rg o n H o t M i l l e r ... 103
M o rk w a , L t d ... 71
M o ro c c o M in e ra ls S y n d i c a t e ... 8
M o u n t C o o l o n ... 353
M o u n t E l l i o t t ... 221
M o u n t H o r r o r G o ld F i n d ... 291
M o u n t Is a , 35, 71, 9 7 , 1 5 9 ,1 9 9 ,2 2 1 , 2 8 9 , 3 5 2 ; a n d S ilv e r -L e a d D is c o v e rie s n e a r ... 36
M o u n t L y e ll M in in g a n d R a ilw a y C o ... 36
M o u n t M o r g a n ... 1 6 0 , 2 6 3 , 352 M o u n t O x i d e ... 2 2 1 , 352 M o u n t W e llin g to n ... 101
M u fu lira C o p p e r M i n e s ... 1 34, 327 M u rc h is o n R a n g e G o ld O r e s ... 34
M u re x , L t d ... 2 6 4 M y s o re G o ld M in in g C o ... 199
N a m a q u a D ia m o n d s , L t d ... N a r a g u ta E x t e n d e d ... N a r a g u ta K a r a m a A r e a s ... N a r a g u ta K o r o t A r e a s ... N a ta l : T h e Geology o f th e C o u n try S u r r o u n d in g N k a n d h la . . . . N a tio n a l M in in g C o r p o r a t i o n ... N a t u r a l G a s, R e - F o r m i n g ... N ’C h a n g a ... 6
N e th e rla n d s E a s t I n d ie s G e o lo g ic a l S u r v e y ( J . B . S c riv e n o r) N e w C o n s o lid a te d G o ld F i e l d s ... 1 99, N e w G o ld fie ld s o f V e n e z u e l a ... N e w G u in e a G o l d f i e l d s ... N e w J a g e r s f o n te in ... N e w K le in f o n te in C o., 92, 3 19, 3 2 6 ; O r e - B c d y ... N e w M o d d e rfo n te in ... N e w M o rro V e lh o G o ld M in in g C o ... N e w S t a te A r e a s ... N e w fo u n d la n d .— I r o n O re , 19 0 ; M i n i n g ... N ia g a r a F a lls S u r v e y , 1 927 ... N ic k e l. C o p p e r in H u d s o n B a y , 3 1 7 ; E x t r a c t i o n — P a t e n t , 1 2 6 ; T r a n s v a a l ... ... N ig e ria n C o n s o lid a te d M i n e s ... N ip p o ld t — V e rw e rtu n g m a g n etisch cr M e s s u n g e n z u r M u tu n g — R e v i e w ... .. N itr a te D e p o sits i n S o u th -E a s te r n C a l i f o r n i a ... N ’K a n a M in e ... N o r a n d a ... 40, 6 4, 22 4 , 294, N o r th B r o k e n H i l l ... 7 1 , 1 35, 2 6 3 , 2 91, 3 1 7 ; N o r t h K a lg u rli C o ... ... N o r th e r n N ig e ria n L e a d M in e s ... ... N o v o B r d o M i n e s ... N u n d y d r o o g M in es ... 256 N y a s a la n d M i n e r a l s ...
O ’B rie n C a d i l l a c ... • • • • • ■ • — •••...
Offin R iv e r G o ld E s t a t e s ...
O il.— f ro m C o al, 1 97, 322, 3 5 3 ; E f fe c t o f V a c u u m o n W eliS|
62 ; G a s -L ift M e th o d o f F lo w in g W e lls , 62 ; -S h a le in N a ta l’
93 ; -S h a le in N e w S o u th W a le s ...
O il P r o p e r tie s a n d H o l d i n g s ... , O liv e r U n ite d F i lt e r s C h a n g e s ...
70 319 383 64 383 2 6 4 190 , 70 285 263 72 72 198 6 326 295 25 4 2 5 2 383
252
349 383 327 356 ,3 2 7 99 384
8 3 2 8 7
164 64
353 320 362
P A G E
O n ta rio G o ld O u t p u t f o r 1 930 ... 05
O o re g u m M ine ... 72, 135, 319 O r e D re s s in g , E l u tr i a t io n in (G a u d in , G ro h a n d H e n d e r s o n )— D ig e s t, 49 ; -D re ss in g P ro g re s s in 1930, 382 ; G r in d in g , 125 ; L o sse s d u r in g M ining, G. W . E a t o n T u r n e r o n , 67, 1 2 5 ; R e s e rv e C a lc u la tio n s a t th e B a w d w in M in e (A. B. C o lq u h o u n ) ... 329
O ro v ille D r e d g i n g ... 32Q O ta v i M o u n ta in s , S .W . A fric a , O re -D e p o s its o f th e (A. W . c l a r k ) ... 265
P a h a n g C o n s o l i d a t e d ... 2 6 4 P a lm e r D e v e lo p m e n t C o ... 98
P a l m e r R iv e r G o l d ... 290
P a n a m a (V. F . S. L o w ), 2 0 1 ,2 7 8 ; a n d G o ld R eefs a t R e m a n ed M ine (A. I g n a t i e f f ) ... ^53
P a n a m a : A Geologic S t u d y o f the M a d d e n D a m P r o j e c t 191 P a n a m a C o r p o r a t i o n ... 8, 72, 136, 2 00, 264 P a n d o r a 164, 224, 294 P a r s o n s , D e a t h o f S ir C h a r l e s ... 130
P e e le — C om pressed A i r P la n t— R e v i e w ... 2S7 P e le p a h T in D r e d g i n g 13 5 , 256 P e lle w -H a rv e y , M r. W .— E le c te d P r e s id e n t of th e I n s t i tu t io n , 2 ; P r e s id e n tia l A d d r e s s o f ... 323
P e n a w a t (M a la y a) T in D r e d g i n g ... 128
P e n g k a le n ... 319
P e r a k R iv e r H y d r o - E le c tr ic P o w e r C o ... 72
P e ta lin g T in ... 192
P e te r s A rc W e ld in g P l a n t ... 297
P e tro le u m .— H y d r o g e n a tio n , 62 ; N o r th A m e ric a n , 126 ; R e f i n i n g ... 190
P h o s p h a te M in e ra ls a n d P o ta s h , S m e ltin g o f (M a d o rsk y , H i g n e tt a n d R o y s te r) — D i g e s t ... 119
P io n e e r G o ld M i n e s ... 39
P l a ti n u m .— R e fin e ry a t A c to n , O p e n in g of, 261 ; T r a n s v a a l . 227 P n e u m a tic A n a ly s is o f F in e P o w d e r s ... 382
P o lis h M in in g L a w ... 130
P o r te r - I d a h o M in e s ... 355
P o ta sh B ib lio g r a p h y to 1 928 ( B e r l i n e r ) ... 127
P o ta s h a n d P h o s p h a te M in e ra ls, S m e ltin g o f (M a d o rsk y , H i g n e tt a n d R o y s te r) — D ig e s t ... 119
P o tg ie te r s r u s t P l a t i n u m s ... 6 , 93 P o w e r H o ld in g s ... 192
P ow er a n d the I n te r n a l C o m b u stio n E n g in e ... 382
P re m ie r G o ld M in in g C o ... 37, 39, 94, 164, 226 P r e m ie r (T ra n s v a a l) D ia m o n d M in in g C o ... 70
P r o d u c e r G as L o r r y ... 104
P u m p in g , U n d e r g r o u n d ... 252
Q u a si-A rc W e l d i n g ... 105
Q u e e n s la n d .— M in in g C o n c e ssio n s, 36, 97 ; M in in g L a w s . . . . 98
R a d iu m in O n ta rio (S p e n ce a n d C a rn o c h a n )— D ig e s t ... 377
R a h m a n H y d r a u lic T i n ... 263
R a m b u ta n ... 128
R a n d .— F o o t-W a ll R e e f in th e F a r E a s t, 159 ; L a b o u r , 198 ; M in in g , H . S im o n o n th e U se o f th e H o le -D ir e c to r in , 195, a n d D ig e s t, 243 ; M in in g P r a c tic e , C. B . B r o d ig a n o n , 2 5 9 ; O rig in o f G o ld , 126 ; P h th is is C o m p e n s a t i o n ... 198
R a n d M in es, L t d ... 198
R a n d S e le c tio n C o r p o r a t i o n ... 198, 326 R a n d f o n te in E s t a t e s , 134, 255, a n d G. H . B e a t t y ... 137
R a n s o m e s a n d R a p ie r E x c a v a to r s ... 361
R a u b G o ld M i n e ... 37
R e d - B e d C o p p e r D e p o s its in N o v a S c o t i a ... 382
R e d m a y n e , S ir R ic h a rd , o n O il fro m C o a l ... 322
R e ic h e n b a c h , R- P > a u d H . B . B a te m a n — G e o p h y s ic a l T e s ts in th e R h in e V a l l e y ... 280
R e id S u lp h u r P r o d u c tio n in T e x a s — D i g e s t ... 52
R e m a n c e M in e, P a n a m a , G o ld R e e fs a t (A. I g n a t i e f f ) 153 R e n o G o ld M in es ... 39, 354 R esearch, R e p o rt o f the D e p a rtm e n t o f S c ie n tific a n d In d u s tr ia l .— R e v ie w ... 133
R e x m a n M i l l ... 104
R ^ z e n d e M i n e s ... 199
P A G E R h o d e s ia .— G o ld R e e f D is c o v e r y in S o u th e rn , 92 ; M a la ria P r e v e n tio n in , 66 ; R a ilw a y D e v e lo p m e n t, 6 9 , 194 ; V a n a d iu m R e c o v e ry a t B r o k e n H i l l ... 88
R h o d e s ia B r o k e n H ill D e v e lo p m e n t C o ... 7 1 ,1 9 9 R h o d e s ia - K a ta n g a C o ^ 7, 70, 327 R h o d esia , S o u th ern , Geology 1 V est o f M o u n t D a n v in . '... 318
R h o d e s ia n A n g lo A m e r i c a n ... 7
R h o d e s ia n C o n g o B o r d e r C o n c e s s io n ... 6, 7, 135, 136 R h o d e s ia n S e le c tio n T r u s t ... 134, 327 R h o k a n a C o r p o r a t i o n 135, 327 R ie s— E le m e n ta ry E co n o m ic Geology— R e v ie w ... 350
R io T i n to C o 135, 200 R o a n A n te lo p e C o p p e r M in es 7, 327 R o b in s o n D e e p ... 134, 254, 358 R o c k . B u r s ts in th e K o la r G o ld F ie ld , P . J . C row le o n , 67, 125 ; -D rill M a in te n a n c e , 3 1 6 ; H a n d lin g in N a rro w S to p e s R o o ib e rg M i n e r a l s ... R o p e w a y s , T h e M e ch a n ic s o f A e ria l (G. B rillo ), 1 8 ; a n d C a lc u la t io n s ... R o se D e e p ... R o s e b e ry M ine, D e e p h o le D rillin g a t (C a m e ro n )— D i g e s t --- R o y a l S c h o o l o f M ines A n n u a l D in n e r, 32 4 ; R e g i s t e r ... R o y s te r, H i g n e tt a n d M a d o rs k y — S m e ltin g of P o ta s h a n d P h o s p h a te M in e ra ls— D ig e s t ... R u n d a ll, W . H .— T h e G o ld M ines o f th e F r o n tin o a n d B o liv ia , e t c 66, 73 R u s s ia , A m e ric a n E n g in e e r s i n ... 2
R u s to n -B u c y ru s E x c a v a to r M o u n tin g ... 361
R u th e rf o r d , L o r d , o n Oil fro m C o a l ... 322
125 263 81 192 309 194 119 S t. J o h n d e l R e v , 1 3 6 ,1 9 4 , 320, a n d G o ld M e d a l ... S a lt I n d u s tr y o f C anada, T h e ( H e b e r ) ... S a n A n to n io M i n e s ... S a n F in x T in M i n e s ... S a n F r a n c is c o M ines o f M ex ico ... S a n t a G e r tr u d is C o ... S a sk a tc h e w a n , Geology o f S o u th ern , e t c ... S c h a u s — M o n tr e a l M ine— D i g e s t ... S c h le r e th , C. Q .— F ilte rin g L e a d a n d Z inc C o n c e n t r a t e s ... S c h o la rs h ip s a t M isso u ri S c h o o l o f M in e s ... S c h u c h e rt— O u tlin e o f H isto ric a l Geology— R e v i e w ... S c o tt, M a tth e w , o n T r e a t m e n t o f H o llin g e r P r e c ip ita te to P r o d u c e F in e G o ld , 195, a n d D i g e s t ... S c r a p e r - L o a d in g ... S c re e n S iz es ... S c riv e n o r, J . B .— N e th e rla n d s E a s t In d ie s G eo lo g ical S u rv e y S e d im e n ta r y P etro g ra p hy (M iln er)— R e v i e w ... S e ttlin g s to n e s W ith e rite M ine, G. T r e s tr a il o n ... S h a f t.— S in k in g a t T e x a s S a lt M ine, 62 ; S u rv e y in g a t B ro k e n H ill S o u t h ... ... S h a le-O il I n d u s tr y , A u s tra lia n ... S h a m v a M in es ... S h e r r i tt - G o r d o n ... 41, 164, 224, 295, S ie v e.— th e P a s s in g o f th e I.M .M ., 324 ; S i z e s ... S ilico sis.— I n te r n a t i o n a l C o n fe re n c e o n , 130 ; R e g u la tio n s . . S ilic o sis : R ecords o f I n te r n a tio n a l Congress, Joha n n esbu rg , 1930 ... 130,
S ilv e r.— in C h e m ic a l P la n t, 190 ; F a ll in P ric e of, 2, 68 ; F lo ta tio n o f O x id iz e d O re s (G ieser)— D ig e s t, 312 ; -L e ad D is c o v e rie s n e a r M o u n t I s a ... S ilv e r , E co n o m ic R e la tio n s o f to other M e ta ls, e t c ... S im m e r a n d J a c k M i n e s ... S im o n , H . , o n th e U se o f H o le -D ir e c to r s in G r o u n d -B re a k in g C o n tro l, 195, a n d D i g e s t ... S in a i M i n i n g ... S io n e T in (F .M .S .)... S isco e G o ld M ine ... 164, 224, 294, S m ith — B r o k e n H ill M in e ra ls— D i g e s t ... S m ith , H . G .— T h e S e le c tio n o f a M ine F a n ... 213
S m ith , S. W .— M e ta llu rg y i n S o u th A f r i c a ... S n o w fla k e M in e, B .C ... S o c iété G é n é ra le d e s M in e r a is ... S o c ie ty o f C h e m ic a l I n d u s t r y J u b i l e e ... S o n s o f G w a lia ... 99, S o u th B u k e r u A r e a s ...
66 127 164 328
128 32 8 191 125 157
66 351
248 125 258 285
316 98 199 357 258 66
191
36 63 25 4
243 320 328 357 241 258 24 252 72 2 5 8 384 319
t
P A G E
S o u th C r o f t y 41, 3 8 4
S o u th K a lg u rli C o n s o lid a te d ... 327
S o u th -W e s t A fric a , T h e O re -D e p o s its of th e O ta v i M o u n ta in s (A. W . C l a r k ) ... 265
S o u th e r n R h o d e s ia B a se M e ta ls C o r p o r a t i o n ... 7
S p e n c e a n d C a rn o c h a n — R a d iu m in O n ta r io — D ig e s t ... 377
S p r in g s M i n e s ... 70, 2 6 2 , 32 6 S ta in le s s M e ta ls ... 382
S ta m p -M ill S c ree n s (K e n d a ll)— D ig e s t ... 370
S t a n d a r d iz a tio n in E n g i n e e r i n g ... 66
S te fa n o S y n d ic a te ... 384
S to n e C r u s h i n g ... 382
S to p e s , H a n d lin g R o c k in N a r r o w ... 125
S to p in g .— C u t-a n d -F ill, 382 ; O p e n , 316 ; S q u a r e - S e t, 125 ; b y T o p - S l ic i n g ... 252
S t r a i ts a n d G e n e ra l D e v e lo p m e n t Co. ( 1 9 3 1 ) ... 192
S tra tig ra p h y , G eneral (G re g o ry a n d B a r r e t t) — R e v i e w ... 220
S u b N i g e l ... 70
S u d b u r y O f f s e t s ... 224
S u lliv a n — L e a c h in g o f C o v e llite — D i g e s t ... 187
S u lliv a n a n d T o w n e — C o p p e r R e c o v e ry fro m F in e O res a n d D u m p M a te ria ls — D ig e s t ... 113
S u lp h id e C o r p o r a t i o n ... 63
S u lp h id e R o a s tin g — P a t e n t s ( 2 ) ... 62
S u lp h u r.— D is tilla tio n — P a t e n t , 62 ; M ining, 316 ; P r e p a r a tio n — P a t e n t , 62 ; P ro d u c tio n in T e x a s — R e id — D ig e s t 52 S u n g e i B e si M i n e s ... 135
S u n g e i K in ta T in D r e d g i n g ... 319
S u r v e y in g C a lcu la tio n s (W in ib erg )— R e v i e w ... 286
S u r v e y in g , M eta llife ro u s M in e ( H a n to n ) — R e v i e w ... 91
S w ith in ’s I n v e s tm e n t ... 128
S y lv a n ite ... 40, 163, 356 T a d a n a c S m e lte r 93, 382 T a n g a n y ik a : A N o te on th e Geology o f the C o u n try a ro u n d T e n d a g a r u ... 191
T a n g a n y ik a R a i l w a y s ... 69
T a n g a n y ik a T e rrito ry : D e p o sits o f N e w a la -L in d i A r e a 318 T a n jo n g T in D r e d g i n g ... 384
T a n ta lu m .— (Y o u n g m a n )— D ig e s t, 123 ; a n d C o lu m b iu m , E x t r a c t io n of (F in k a n d J e n n e s s ) — D i g e s t ... 124
T a n ta lu m a n d N i o b i u m ... 127
T a y lo r — M ine T im b e r P r e s e r v a tio n — D i g e s t ... 56
T e c k -H u g h e s ...40, 95, 163, 223, 294, 356 T e h id y M in e ra ls 136, 228 T e k k a -T a ip in g ... 319
T e llu rid e ... 96, 164, 224 T e x a s S u lp h u r P r o d u c tio n — R e id — D i g e s t ... 52
T h a rs is S u lp h u r a n d C o p p e r ... 256
T h e o d o lite , th e T a v i s t o c k ... 382
T ig o n M in in g a n d F i n a n c e ... 264
T im b e r , M ine, P r e s e r v a tio n — T a y lo r — D i g e s t ... 56
T in .— in B o liv ia , 382 ; in C h in a , 317 ; D re d g in g , 101, a n d (W illiam s)— D ig e s t, 316 ; E le c tro ly s is of S a lts of— P a t e n t , 126 ; E x t r a c t io n P ro c e s s — P a t e n t , 126 ; M in in g A llu v ia l, w ith D ra g lin e E x c a v a to r s (S. A . W e s tr o p ), 9 ; M ining, E v o lu tio n of, 293 ; R e s e a rc h , 66 ; R e s tric tio n , 3 7 ,1 0 0 ,1 3 6 , 161, 165, 2 00, 228, 264, 2 91, 3 2 8 ; S c r a p — P a t e n t . . . . 3 17, 382 T o r b r i t M in in g C o ... 94
T o u g h O a k e s -B u rn sid e 164, 226 T o w n e a n d S u lliv a n — C o p p e r R e c o v e ry fro m F in e O res a n d D u m p M a te ria ls — D i g e s t ... 113
T o y o T in , L t d ... 2 6 4 T r a n s p o r t o f O r e ... 190
T r a n s v a a l T o r b a n ite ... 295
T re a d w e ll Y u k o n , 39, 9 6 ,1 6 3 , 356 ; N e w C o n c e n tra to r (B la c k b u r n ) — D ig e s t ... 381
T r e p c a M ines, 200, 264, 328 ; G. F . H a t c h o n C h e c k S a m p lin g o f D ia m o n d D rill-H o le s a t ... 132, 190 P A G E T r e s tr a il, G ., o n S e ttlin g s to n e s W ith e r ite M i n e ... 3
T u n g s te n O res, M in in g a n d M il li n g ... 382
T u r n e r, G. W . E a to n o n O re L o sse s in M i n i n g ... 67, 125 T u r n e r a n d N e w a l l ... 72
T w e e fo n te in C o l l i e r y ... 256
U g a n d a R a i l w a y s ... 69
U n d e rg ro u n d S u p p o r ts , R e in fo rc e d C o n c r e t e ... 3 1 6 U n io n C o r p o r a t i o n ... 198, 2 6 2 , 3 26, 357 U n ited S ta tes, B o u n d a ries, A re a s, etc., o f ... 127
V a n R y n D e e p ... 2 5 4 V a n a d iu m .— D e te rm in a tio n , 1 2 6 ; R e c o v e ry a t R h o d ts ia B r o k e n H i l l ... 88
V e n tila tio n .— in A riz o n a , 190 ; in E c u a d o r, 190 ; in M in in g , 62 ; T a b le s f o r ... 62
V e rg eleg en O il S h a le a n d M in eral C o ... 93
V e r m o n t C o p p e r D i s t r i c t ... 317
V erw ertu n g m agnetischer M e ssu n g e n z u r M u tu n g ( N ip p o ld t) — R e v i e w ... 349
V ic k e rs -A rm s tro n g ’s W in d in g E n g i n e s ... 231
V illag e D e e p ... 70, 1 34, 162, 3 5 8 V ip o n d ... 40, 95, 163, 2 9 4 V la k fo n te in ... 2 6 2 , 357 V o lc a n o e s ... 253
W a e lz P r o c e s s ... 382
W a ih i G o ld M i n i n g ... 319
W a ite -M o n tg o m e ry ... 4 0 , 2 2 4 W a lk e r, E d w a r d , O b i t u a r y N o t e ... 16 5 W a n d e re r C o n s o lid a te d G o ld M i n e s ... 134
W a s h in g to n — C hem ical A n a ly s is o f R o c k s— R e v i e w ... 2 1 9 W a te r v a l P la tin u m M in in g C o ... 93
W e s t A u s tra lia n G old. — D isc o v eries, 36, 71, 99 ; Y ie ld f o r 1930 ... 1 00, 161 W e s t M e x ic a n M i n e s ... 136
W e s t R a n d C o n s o lid a te d M i n e s ... 3 1 8 W e s t S p r i n g s ... 262
W e stro p , S. A .— M in in g A llu v ia l T in w ith D ra g lin e E x c a v a to r s 9 W h ite h o u s e — M ining o n th e W itw a te rs r a n d — D i g e s t ... 177
W illia m s— T in D re d g in g — D i g e s t ... 316
W illis— L iv in g A fr ic a — R e v i e w ... 219
W ilu n a G o ld C o r p o r a tio n , 99, 1 35, 1 95, 2 63, a n d A rs e n ic R e c o v e ry P l a n t ... 72
W in ib e rg — S u r v e y in g C a lcu la tio n s— R e v ie w ... 286
W itp o o r t G o ld A r e a s ... 262
W itw a te rs r a n d D e e p ... 2 62, 319 W itw a te r s r a n d G o ld ... 255
W itw a te rs r a n d S y s te m , O rig in o f ... 190
W o o lf a n d L e a v e r— F l o ta t io n o f G o ld in C o p p e r O re s— D ig e s t 251 W r i g h t - H a r g r e a v e s 40, 96, 163, 2 23, 2 94, 356 Y e ln u t S y n d i c a t e ... 128
Y o s e m ite V a lle y , Geologic H is to r y o f t h e ... 127
Y o u n g m a n — T a n t a l u m — D ig e s t ... 123
Y u a n m i M i n e ... 135
Y u b a D re d g e , A N e w ... 162
Y u k o n C o n s o l id a t e d ... 72
Z a n te O ilfield s ... 192
Z im m e rle y a n d G ro ss— B all-M ill W o rk I n p u t — D i g e s t ... 369
Z in c .— B le n d e R o a s tin g — P a t e n t , 62 ; -L e a d C o n c e n tra te s , F ilte rin g (C. Q. S c h le re th ), 157 ; -L e a d D e p o s it, G e n e v a L a k e , O n ta rio , 38 2 ; -L e a d F l o ta t io n , 62 ; M e ta llu rg y — P a t e n t , 317 ; O res, F u r n a c e fo r— P a t e n t , 63 ; O x id e P r e p a r a t io n — P a t e n t , 63 ; S m e ltin g in H ig h -S ilic a R e to r ts , 126 ; V a p o u r C o n d e n s a tio n — P a t e n t , 317 ; V o la tiliz a tio n 62 Z in c C o r p o r a t i o n ... 71, 135, 2 63, 2 91, 317, 327 Z in c In d u s tr y , W o rld S u r v e y o f t h e ... 383 Z in c a n d L e a d D e p o sits o f C a n a d a (A lco ck )— R e v i e w ... 3 48
