 | | Report (volume) | | SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN NEVADA BY JAMES M. HILL ,,i/ ct...ct, cg -. 1 WASHINGTON GOVERNMENT PRINTING OFFICE 1915 DEPARTMENT OF THE INTERIOR UNITED STATES... SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN NEVADA BY JAMES M. HILL WASHINGTON...deposits 2 22 Early Tertiary ( ?) deposits 2 23 Gold-silver deposits 2 23 Deposits of the early Tertiary...of the ore deposits 2 27 30 Mining districts 2 Hayden Hill, Lassen County, Cal 2 30 30 Location and accessibility |  | | Journal (volume) | | S1 ^1 lift SD07 15Q0C," CaWornia Slate Librae N...-1-01.SQ1.. IIRRXPY ' AND VOLIMK LX.XII...PACIFIC ELECTRICAL SAN FRANCISCO, SATURDAY, JANUARY 1. Manufacture of Carborundum. Carborutidum, the...fuse the mixture was supplied, the is known company in Monongahela City, Pa., he had opportunity of...thorough surprise to the Mining and Scientific Press. possessing the colors of Mining and Scientific Press...Press. ESTABLISHED 1S«50. Oldest Mining; Journal on the American Continent. e. No. 220 Market Street , |  | | Journal (volume) | | harbor work undertaken in this country during the last 20 years which has not been made extrava• gant in...and we heartily congratulate Mr. Brile and the company on their success. These furnaces are manufactured...Brile, superintendent of the Kentucky Mining and Smelting Company, we have the following report of the...minutes later. The ore run came from different mines. The furnace was started without lead in the lead...Portable Smelting Furnace and Mining Co., Newport, Ky. The latter-named company will forward catalogue, etc |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE OCEUR D'ALENE DISTRICT, IDAHO BY RANSO~IE FREDERICK LESLIE AND FRANK.... ..... . . 65 Structural subdivisions of the district. . ................................•.. .. ......-Structure-Continued. Structural subdivisions of the district-Continued. Page. Southeastern area ... _. ___..._________ . _..... __ ._ .... _.... __ 78 History of mining development .. ______ .. ___ . __________ . _______..._.. ______ . _____ ._._ __ 82 Lead, silver, and gold .. .. _______ . _____ .. _. _______ ... _... ______________ |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING,... CONTENTS Page XI[ Summary _ 1 Introduction _ Part I. Superficial features _ 5 Chapter 1. Geography _ 5 Location...stages _ 9 Interglacial stage _ 9 Glaciers of the last stage _ 10 Iowa Gulch glacier_ 10 Evans Gulch glacier...part of the district 95 62 Kokomo syncline_ Faults southeast_ of _ Leadville 62 the_ Fryer Hill folds _ 62...62 district _ 95 Warping and drag along normal faults, _ _ _ 96 62 Origin of folds and faults _ Faults |  | | Report (issue) | | open ground 1mder the ore-shoots above. Tl1e No. 1 and 2 workings are within. 75 to 100 feet of one another...another and practically on the same level. "No. 1 tunnel is located at an clevatiou 0£ 3,920 £eet. A...directions, having 1·esllltcd from gutting the small irregular ore-bearing quartz lenses that occur along...rocks. Undergrouncl ilevclopm ent shows that these quartz lenses vary in width from half au inch to 18 inches...550, page 207. The Metai .Mines of Washington 193 SHERIDAN DISTRICT GENERAL FEATURES Ten miles by |  | | Report (volume) | | " , " " .~ B!,.ILLETIN 40 , " "----,, " 1" ~~~ ","~8", ~." < -' / " :~:,' , AND BIBLIOGRAPHY...not infringe private'ly owned rights. I I ~ =1$'_=~~"""'ol...blbi iography and bibliographic cross-indexes. Part 1 lists The IntImate association of radium, uranium...periods of exploratIon that ultimately led to a mining "boom ll in the 1950 IS. Since I ts meager start...on U.S. Geological Survey 1° x 2° topographic quadrangle maps with a special 1 :10D,DOO-scale base map |  | | Report (volume) | | SURVEY BULLETIN 1374 An inventory of the placer mines and prospects of Alaska, their history and geologic...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina...Nelchina district __ __ _ Nizina district ___ Prince William Sound district ______________________ Yakataga...Yakataga district _______________________________ Kenai Peninsula region _ ___ _ ______ ________ _ Homer |  | | Report (issue) | | PHOTOGRAPHS 1 2 5 3 6 7 8 10 9 11 4 12 13 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N...and Mineral Resources of the Lemhi Pass Thorium District, Idaho and Montana By MORTIMER H. STAATZ With...chemistry of the thorium veins in the Lemhi Pass district UNITED STATES GOVERNMENT PRINTING OFFICE...and mineral resources of the Lemhi Pass thorium district, Idaho and Montana. (Geology and resources of...Includes index. Supt. of Docs, no.: I 19.16:1049-A 1. Geology—Lemhi Pass region, Idaho and Montana. 2. |
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