IMPERIAL Nine Mile District. Missoula County. Minerals Yearbook 1940. Page 365. One of the producing placers of the district. Gold.https://digitalcommons.mtech.edu/minerals_yearbook_all/1964/thumbnail.jp
GOPHER PLACER Gold Butte District. Toole County. Minerals Yearbook 1940. Page 368. Produced placer g...
ESTERLY PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1938. Page 352. One ...
HOWE PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1940. Page 361. Placer ...
HARD CHANCE Nine Mile District. Missoula County. Minerals Yearbook 1940. Page 365. One of the produc...
GOLD DUST Big Blackfoot District. Powell County. Minerals Yearbook 1940. Page 366. One of the placer...
IRENE LU PLACER Cedar Creek District. Mineral County. Minerals Yearbook 1938. Page 354. Producer in ...
GOULD PLACER Rimini District. Lewis & Clark County. Minerals Yearbook 1940. Page 361. Placer produce...
HENRIETTA & SUCCESS Cedar Creek District. Mineral County. Minerals Yearbook 1940. Page 364. One of t...
GOLD BAR Finn District (Washington). Powell County. Minerals Yearbook 1940. Page 366. One of the pla...
HALLORAN PLACER Sheridan District. Madison County. Minerals Yearbook 1940. Page 363. One of the prod...
GOLD STAR Pioneer District. Powell County. Mineral Yearbook 1940. Page 366. One of the placer produc...
FERDINAND Argenta District. Beaverhead County. Minerals Yearbook 1938. Page 348. One of the producer...
GALENA MINE Norris District. Madison County. Minerals Yearbook 1938. Page 353. Producer in district ...
GOLD BUG PLACER Emigrant District. Park County. Minerals Yearbook 1934. Sta. App. Page 403. One of t...
ESPERANZA PLACER (Opr. By O.A. Barnes) Marysville District. Lewis & Clark County. Minerals Yearbook ...
GOPHER PLACER Gold Butte District. Toole County. Minerals Yearbook 1940. Page 368. Produced placer g...
ESTERLY PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1938. Page 352. One ...
HOWE PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1940. Page 361. Placer ...
HARD CHANCE Nine Mile District. Missoula County. Minerals Yearbook 1940. Page 365. One of the produc...
GOLD DUST Big Blackfoot District. Powell County. Minerals Yearbook 1940. Page 366. One of the placer...
IRENE LU PLACER Cedar Creek District. Mineral County. Minerals Yearbook 1938. Page 354. Producer in ...
GOULD PLACER Rimini District. Lewis & Clark County. Minerals Yearbook 1940. Page 361. Placer produce...
HENRIETTA & SUCCESS Cedar Creek District. Mineral County. Minerals Yearbook 1940. Page 364. One of t...
GOLD BAR Finn District (Washington). Powell County. Minerals Yearbook 1940. Page 366. One of the pla...
HALLORAN PLACER Sheridan District. Madison County. Minerals Yearbook 1940. Page 363. One of the prod...
GOLD STAR Pioneer District. Powell County. Mineral Yearbook 1940. Page 366. One of the placer produc...
FERDINAND Argenta District. Beaverhead County. Minerals Yearbook 1938. Page 348. One of the producer...
GALENA MINE Norris District. Madison County. Minerals Yearbook 1938. Page 353. Producer in district ...
GOLD BUG PLACER Emigrant District. Park County. Minerals Yearbook 1934. Sta. App. Page 403. One of t...
ESPERANZA PLACER (Opr. By O.A. Barnes) Marysville District. Lewis & Clark County. Minerals Yearbook ...
GOPHER PLACER Gold Butte District. Toole County. Minerals Yearbook 1940. Page 368. Produced placer g...
ESTERLY PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1938. Page 352. One ...
HOWE PLACER Missouri River District. Lewis & Clark County. Minerals Yearbook 1940. Page 361. Placer ...