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| conterminous United States, by George W. Walker and John W. Adams------------------------------------------(E)...Conterminous United States, by George W. Walker and John W. Adams Supergene Alteration of Uranium-Bearing...predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...United States. The pre-1940 history of uranium mining and geology is concerned largely with veins in...of a number of very large nonvein deposits in New Mexico; in Big Indian Wash and White Canyon, Utah; and |
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| Cross section through Crooks Gap area, Fremont County, Wyo__ __________-______-___--_--__------------_...Tertiary (?) conglomerate and sandstone, Mary L claim. ________________ 49. View west along length of...-_---____.-_________----_60. Marysvale district, Piute County, Utah, showing relation of mine area to...commonly occurs late in the structural history of a district. INTRODUCTION This report is one of a series...of those in the Front Range, in the Marysvale district, Utah, and in other districts of the western United |
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| Director Bulletin 849 D THE MOUNT EIELSON DISTRICT ALASKA BY JOHN C. REED Investigations in Alaska Railroad...Mount Eielson district- _________ In pocket Geologic map of the Mount Eielson district.___________ In...Mount Eielson district..--. In pocket Geologic map of part of the Mount Eielson district._____ In pocket...BELT, 1931 FOREWORD By PHILIP S. SMITH To help the mining industry of Alaska and to assist in the development...larger production of minerals and induce further mining developments and prospecting that would utilize |
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| 0unse_w6d7 FORTY-THIRD ANNUAL REPORT OF THE Mining Industry of Idaho FOR THE YEAR 1941 ARTHUR CAMPBELL...are ee oats oe ac oe ern eect ee 31 Ball Milling; New Developmemts 2. ic-cxteeeeeee. ooo seco conten s...ee rcrecccases tes cen crete: aeteeee eres reser New Developments, Mineral Industry of Northern Idaho...96-97 Mine Rescue and First Aid, Coeur d’Alene Mining District .....0000...00000000...... 98 ise funn f orm...COUN yarns eee ESenTOCk COUI secre eee Bearsibake County 2222 -ccs.e--ceee Benewa byCounty see ee Bingham |
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| ____________________________________ _ History of mining and production ________________ _ General description...1. Map showing location of uranium-mining districts in West-Central United States-------------------------2...in 1874 at Mauch Chunk (now Jim Thorpe), Carbon County, Pa. ('Genth, 1875, p. 144B). In 1898 a deposit...vanadiferous sandstone was found at Roc Creek, Montrose County, Colo. This deposit was soon exploited for the...but some came from Arizona and a little from New Mexico. The stimulus of the U.S. Atomic Energy Commission |
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| | oe Forty-second Annual Report of the Mining Industry of Idaho For the Year 1940 ous Ceapetioicusee...weaaw as ¥ RO yoEGOND ANNUALS REPORT OF THE Mining Industry of Idaho FOR THE YEAR 40 ARTHUR Inspector...Governor C. A. Bottolfsen_...... New Developments and Equipment in Metal Mining, by Robert S. Lewis..... Role...Safety ss Sn ee Silicosis in the Coeur d’Alene Mining District, by Dr. Max T. Smith... PATa CO Um yaa Se cece...ace re ee a et Bear Lake County Benewah ‘County seo wen ce ee eT Bingham County ....... es ees ot ae ROR |
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| miles in the west-central part of San Juan County and the eastern part of Garfield County, southeastern Utah... WHITE CANYON AREA chalcopyrite,- sphalerite, galena, and bornite ; supergene sulfides are chalcocite...is in the west-central part of San Juan County and the eastern part of Garfield County in southeastern...Oowania neomewicana) in the lower altitudes in the central and westcentral part of the area. Many types of...the vic,inity of the Happy Jack mine, San Juan County, Utah Cedar Mesa sandstone member of the Cutler |
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| MINING | WORLD Russian in this issue Minerals-— Strength or Weakness??? This Eimco ia) s e of...gr regular length. a : ; For help in solving mining problems such as these, choose famous Gardner-Denver...economical to operate, too—uses only 3% to 5% New York of the total air consumption of the drill...Pneumatic TOOL es PNEUMATIC TOOLS ROCK DRILLS MINING Published U.S.A. Ss th Ma WORLD, September,...HYDRAULIC TOOLS COMPANY 8 East © 44th Street. New ELECTRIC TOOLS * VACUUM PUMPS © York © 17, |
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| deposits of strategic minerals fmd its search for new processes to convert low- and off-gracle domestic...mineral industries. Despite the fact that much of the new data compiled cannot be published at this time because...; Garland Peyton, director, division of mines, mining, and geology, department of natural rnsources,...:not uppeared in en,rlier volumes. TypicaJ of such new information are statistics of magnesium production...estimates of spn,co requirenrnnt~ for printing. John H. Ady, Chief of the Publications Section of t,he |
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| METALS. NOTES ON THE OCCURRENCE OF CINNABAR IN CENTRAL WESTERN ARIZONA. By ROWLAND BANCROFT. During the...made a reconnaissance of the economic geology of central western Arizona, examining, among other deposits...publish a brief preliminary description of this district. Development work has not been very extensive...The deposit is located in the Plomosa mining district, Yuma County, Ariz., in the southern part of the...rock in which the deposit worked by the Colonial Mining Company occurs is unlike most of the schists in |
