 | | Report (issue) | | MINES AND MINERAL RESOURCES OF TRINITY COUNTY, CALIFORNIA ^^^^gz^^^^sHi LIBRARY ^ tnSF DAVIS [...MUt&ial TRINITY denounce*, o^ COUNTY CcUifi&isua By J. C. O'BRIEN, Mining Engineer, Retired and Geology...Geology California Division of Mines COUNTY REPORT 4 California Division of Mines and Geology San Francisco... Chromite 18 Coal 19 Copper 21 Lode gold Placer gold 22 25 . Iron 39 Lead 39 Limestone ...TABULATION OF MINES AND MINERAL RESOURCES OF TRINITY COUNTY 53 (3) 3 Illustrations Page Plate 1. Map |  | | Report (volume) | | ~w.. ·~ ~ t ). ""' . 'r v.·,,.,. . ... Placer Gold Deposits of Nevada By MAUREEN G. JOHNSON ...lists of annotated references pertaining to the placer districts UNITED STATES GOVERNMENT PRINTING OFFICE...--------------------------- 1 History of placer mining in Nevada_____________________________________... Holy Cross district..-----------------------------------------------2. Jessup district.. ____________...------------------------_-------_ 3. Sand Springs district---------------------------------------------- |  | | Report (issue) | | Topography, Geology and Mineral Resources.. Douglas County— Location and Topography.. Geology and Ore Deposits...Highways_____ Production............................... Mining Districts— Buckskin (Smith Valley). Gardnerville...Glance)..... U n iv e r s it y o f N e v a d a irmsby County— RBNO, NEVADA Location and Topography............ Nevada, as second-class m atter under A rt of Mining Districts— Congress, July 16, 1894. Acceptance...Brunswick) Voltaire (Eagle Valley, Washoe) Vashoe County— Location and Topography................. 3 7 |  | | Journal (volume) | | 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 ,...California Delegation in Congress; The Revival of Mining and Mining Machinery; "Jumping," 2. MECHANICAL PROGRESS...Power; Gas Light Unit; Magnetic Map of the Earth, 8. MINING From the Various Counties of California, Nevada...Eastern and Local Metal Markets; Coal and Coke; Mining Share Market; Sales in San Francisco Stock Board; |  | | Journal (volume) | | these Huson patent tramways are in use in various mining districts, for transport- ing ore, supplies,...theology Writ, all feel called that relates to mining. has organized a snowahoe expediunder the leadership...Yellowstone National Park. The World tion, Mining and Scientific Press Thia ia not thought to Old...Placers of Joaephine County. immense sum of money mnat necessarily be exMany of the mining papers, says the...argentiferous section in the em portion of Josephine county, a region that posaibilities immensely valuable |  | | Report (issue) | | host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst breccia...with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn Sacco, Peabody Museum...Johansing Leadville district: Geology and the origin of ore deposits in the Leadville district, Colorado: Part...and the origin of ore deposits in the Leadville district, Colorado: Part II. Oxygen, hydroge n, carbon...the Leadville district, with emphasis on occurrences in th e Black Cloud mine, Lake County, Colorado . |
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