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| MINERALIZATION HORSESHOE TRICTS, AND AND x94o No. 7 SILICIFICATION SACRAMENTO IN DIS- COLORADO. • ROBERT...The Horseshoe and Sacramento districts lie near the Alma and Leadville districts, Colorado. Paleozoic...the nearby London mine, lie far below the surface west of the fault in the Horseshoe and Sacramento ...of the London gold-quartz veins from the Alma district is highly important but no significantdata pertainingto...follows:Sacramento, $200,ooo; Mudsill, $6o,ooo; and Sherwood,$40,000. In the Alma district,the gold-quartzwe{nsof |
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| DEPOSITS IN THE VICINITY OF THE LONDON FAULT OF COLORADO BY QUENTIN D. SINGEWALD AND B. S. BUTLER Prepared...in cooperation with the STATE OF COLORADO and the COLORADO METAL MINING FUND UNITED STATES GOVERNMENT...-____-_-____-___________ Deposits in the Alma district...-____________________________ Distribution ... tunnel-_------_---__---_---_ -__--_-____-Ophir mine. _______________________ _,_ _ ___!_____ _______...______-___-_.-_'_ _:_- ^ _ ^ _______'_-.___ _--Hard-to-Beat mine.________.___--_._.___-__i ___-_-L_-__-_Oliver Twist |
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| Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...California-Federal Eldg., Rm. 7638,300 N. Los Angeles St. MENLO PARK, California-Bldg. 3 (Stop 533), Rm. 3128, 345MiddlefieldRd...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Replacement Deposits Part II Gold in the Tintic Mining District, Utah By HALT. MORRIS Gold Deposits in the...Bird Mining Districts, San Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District |
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| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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| Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst...veined with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn Sacco, Peabody...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion,...Regional geologic and tectonic setting of the central Colorado mineral belt . . . . Alan R. Wallace Paleozoic |
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| CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway...and Sheridan, 14,038 feet. Between the Front and Park ranges is a series of high mountain valleys extending...cross ranges. The most northerly of these is North Park, in which rises North Platte River. It is mainly...of it is Middle Park, in which heads Grand River, which flows westward 1across the park and cuts a -gap |
 | | Report (issue) |
| Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |
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| so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |
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| California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |
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| COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl |
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| Exposition.* G. Dodd, the superintendent of the mining departof the Union Iron Works, it will readily...mountain and Gopher Ridge, in Cala- ; veras county, Cal., lies Salt Spring val- Through this trough-like...greatly varying size. The gold-bearing quartz of the district is associated with these dykes, usually constituting...is that of the building and head frame at that mine. An electric plant is stalled at La Grange...contemplation at this mine. Works, •Cut copyrlghleil by the Union Ii'on S. F. vi- m 1 Mining and Scientific |
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| By Eichard E. Chism, By George Frederick Kxjnz Mining Laws of Mexico. Precious Stones of Mexico. sion...By William P. . Blake, The Mining 94 100 140 156 163 179 216 District of Pachuca, Mexico. By Ezequiel...Ezequiel Ordon’EZ, Statistics of the Mining and Metallurgical Industry of the State of Nuevo Leon, Mexico...Mexico. By Edward Halse, Mexican Railroads and the Mining Industry. By Luis Salazar, Notes on the Potable...Harvey Weed, 396 444 vin CONTENTS. PAGE The District of Hidalgo Del Parral, Mexico, in 1820. By Norbeeto |
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| machines, ventilating apparatus, emery wheels, mining and milling machinery. Particis being given to...employ a large foroe of skilled workmen. a Mining and Scientific Press. through the rotten boards...and Salt- habitants, nearly all of whom follow mining for an occupation. From Huatajia it is about peter...Juan."J [Written Huatajia, is the most productive mining-camp In my last letter (page 448 of Dec. 14tb)...— [Jan. I, 18J0 of Roseburg, has opened a coal mine, located fourteen miles west of this place, that |
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| INSTITUTE OF MINING AND METALLURGICAL ENGINEERS (INCORPORATED) Vol. 126 METAL MINING AND MINING GEOLOGY... Twenty-four papers on various phases of metal mining, including several on health and safety, a few...on economic subjects, with the greatest number on mine equipment, methods, and operations. 2. Nine papers...descriptive of structure and deposits in a single district. 3. Three papers on aviation as applied to exploration...for minerals and other uses of airplanes in the mining industry. It is believed that most of these papers |
