Information Circular1950 - Mines and mineral resources |
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Engin ary W 3 1581C Bureau of Mines Information Circular 7560 EAKT ENGIN LIBRARY EAST ENCIA LIBRARY MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE SHOSHONE COUNTY , IDAHO BY D. W. BUTNER DEPARTMENT OF THE INTERIOR SE SAFETY ...
Engin ary W 3 1581C Bureau of Mines Information Circular 7560 EAKT ENGIN LIBRARY EAST ENCIA LIBRARY MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE SHOSHONE COUNTY , IDAHO BY D. W. BUTNER DEPARTMENT OF THE INTERIOR SE SAFETY ...
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... OF MINES RIOR APR 12.50 United States Department of the Interior March 1950 UNIV OF MICH igin 581C Bureau of Mines Information Circular 7560 EAST ENGIN. MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE, SHOSHONE COUNTY, IDAHO.
... OF MINES RIOR APR 12.50 United States Department of the Interior March 1950 UNIV OF MICH igin 581C Bureau of Mines Information Circular 7560 EAST ENGIN. MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE, SHOSHONE COUNTY, IDAHO.
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igin 581C Bureau of Mines Information Circular 7560 EAST ENGIN LIBRARY FAST ENGIN LIBRARY MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE SHOSHONE COUNTY , IDAHO BY D. W. BUTNER DEPAR PARTMENT OF THE INTERIOR SAFETY EFFICIENCY ...
igin 581C Bureau of Mines Information Circular 7560 EAST ENGIN LIBRARY FAST ENGIN LIBRARY MINING METHODS AND COSTS AT THE HIGHLAND SURPRISE MINE SHOSHONE COUNTY , IDAHO BY D. W. BUTNER DEPAR PARTMENT OF THE INTERIOR SAFETY EFFICIENCY ...
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... East Fork at the confluence of the East and South Forks , to Highland Creek , and turning up the High- land Creek road 2 miles to the mine , a total distance of 14 miles from Kellogg . HISTORY .... Mineral was discovered in the Pine ...
... East Fork at the confluence of the East and South Forks , to Highland Creek , and turning up the High- land Creek road 2 miles to the mine , a total distance of 14 miles from Kellogg . HISTORY .... Mineral was discovered in the Pine ...
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... east end Pine Creek district . ( Adapted from map by U. S. G. S. ) GREEK LEGEND MIDDLE PRICHARD QUARTZITE ALLUVIUM MINE WORKINGS MINERALIZED FRACTURE SIDNEY MINING CO . 2 NEVADA STEWART MINING CO . LYNCH PINE CREEK MINE CREEK NABOR MINE ...
... east end Pine Creek district . ( Adapted from map by U. S. G. S. ) GREEK LEGEND MIDDLE PRICHARD QUARTZITE ALLUVIUM MINE WORKINGS MINERALIZED FRACTURE SIDNEY MINING CO . 2 NEVADA STEWART MINING CO . LYNCH PINE CREEK MINE CREEK NABOR MINE ...
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13 north 37 south anthracite anthracite mines bituminous coal bituminous-coal and lignite blasting blends Bureau of Mines carbon dioxide carbon monoxide cars catalyst cent mines cent circuit coal bed Coal Mine Inspection coal mines coal-mine inspectors coke concentrate conditions and practices cost County cut and fill D.C. Approval drilling dust allaying electric engineers equipment explosions feet Figure fill stoping fire area fiscal year 1949 fuel gas mask gasification Gunnison County haulage high-volatile Highland Surprise holes hydrogen inches installed investigation Joy Manufacturing June 30 lignite lignite mines loading machine main east entry mechanical method mill mineral mines cent mines Mines Information Circular motor operations oxygen Per-No percent Pine Creek Pittsburgh plant Pocahontas portal properties reports respirators rock dust roof support samples seals shaft SHOSHONE COUNTY shrinkage stoping steel surface surface magazine switch synthesis gas tests timber tons Total tunnel Type underground ventilation volts zinc