 | | Report (volume) | | .......................».......... ^...... 35 Epidote...................................................................................... Gold a'nd silver contents.................................................... Lode mining.............................................. Placer mining.......................... Portland group. ................ ....:......... ^............ Oceanic Mining Company.........................:............ Holkham Bay group ....................................... Powers Creek... |  | | Report (volume) | | most important were those in the Central City district, Colorado, from which about 300 tons of high-grade...were produced from uranium-bearing veins at the Silver Cliff mine, Wyoming; the Jesse D No. 1 and No.... 2 claims, Utah; and the Merry Widow mine, New Mexico. Since World War II large uranium-bearing vein...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as...areas in Saxony; the Beaverlodge district, Canada; the Cornwall district, England; the Guarda and adjacent |  | | Report (issue) | | BULLETIN ISSUED Na. $5 BY THE CALIFORNIA STATE MINING BUREAU FERRY BUILDING, SAN FRANCISCO THE LIBRARY... FRONTISPIECE. ^'l HIGH GRADE SILVER ORE. From 6th level, California Rand Silver Mine. Drusy cavities and...the ore. Natural size. 37841 CALIFORNIA STATE MINING BUREAU FERRY LLOYD L. RUrr.DTNG. SAN FR\NCIS(JO...Possibilities of Gold Mining 86 88 88 91 92 92 95 97 97 99 99 102 103 104 104 105 105 106 Silver Deposits Field...IIT. IV. California HISTORY OF MINING MINES AND PROSPECTS Rand Silver Mine Northeast Veins Footwall |  | | Report (issue) | | ____________________________________ _ History of mining and production ________________ _ General description...States. FIGURE 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 |  | | Report (volume) | | Deposits of the Lemhi Pass Area Lemhi County, Idaho, and Beaverhead County, Montana By WILLIAM N. SHARP and...deposits of the Lemhi Pass area, Lemhi County, Idaho, and Beaverhead County, Montana, by William N. Sharp and...__________________________________________ _ Rocks of the district ______________________________________________...______________________________________ -- __ Uranium Queen claim _____________________________________ _ Three-and-One...sulfide veins ________________________ -_ Copper Queen mine ______________________________________ - _ |  | | Report (issue) | | 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...batholith area, Montana ; the Sierra Ancha region, Arizona ; and the Marysvale district, Utah. All the Western...California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK W. OsTERWALD Oregon, Utah, Washington |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |  | | Report (issue) | | · as a joint program of the Manhattan Engineer District and its successor, the U. S. Atomic Energy Commission...Survey. It is probably safe to say that no other group of materials has been so exhaustively studied in...Laboratory) Vincent C. Kelley (University of New Mexico) Paul F. Kerr (Columbia University) W. Scott...Laverty Robert K. Pitman Byron J. Sharp Leon T. Silver (California Institute of Technology) Hobart E....from igneous rocks, by Harrison Brown and Leon T. Silver _______________________________________________ |
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