Bulletin of the United States Geological SurveyThe Survey., 1911 - Geology |
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auriferous bedrock belt bench Birch Creek bowlders Bull Bulletin canyon cents chalcopyrite Chena claims Copper River country rock Creek at mouth deposits dikes discharge district ditch drainage area drainage basin east Fairbanks feet Flat Creek flows Fork Fortymile River geologic gold-bearing granite greenstone Gulch high gravels Iditarod inches Innoko intrusive rocks July Juneau Kobuk Kuskokwim limestone located lode lower lowland Matanuska Mesozoic metamorphic mineral resources Moffit Mountains occur operations Otter Creek output Paleozoic placer gold placer mining Prince William Sound probably production prospecting prospectors pyrite quartz veins reconnaissance reported ridge schists season second-feet sedimentary sediments Seward Peninsula shale Shungnak slates slopes sluice boxes southeastern Alaska square miles Squirrel River stream summer Survey Susitna River Tanana Tanana River thickness topographic tributary tunnel U. S. Geol upper Valdez Creek valley values volcanic rocks Willow Creek Yukon Yukon-Tanana region zone
Popular passages
Page 171 - The head and size of the orifice used in different localities vary, thus making it a most indefinite and unsatisfactory unit. Owing to the confusion arising from its use it has been defined by law in several States. The California miner's inch is in most common use in the United States and was defined by an act approved March 23, 1901, as follows: "The standard miner's inch of water shall be equivalent or equal to 1 J cubic feet of water per minute, measured through any aperture or orifice.
Page 325 - Mineral resources of the Nabesna-White River district, by FH Moffit and Adolph Knopf ; with a section on the Quaternary, by SR Capps. Bulletin 417, 1910, 64 pp.
Page 327 - A reconnaissance of the Cape Nome and adjacent gold fields of Seward Peninsula, Alaska, in 1900, by AH Brooks, GB Richardson, and AJ Collier. In a special publication entitled " Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Page 328 - Bulletin 328, 1908, 343 pp. •Investigation of the mineral deposits of Seward Peninsula, by PS Smith. In Bulletin 345, 1908, pp. 206-250. 45 cents. Geology of the Seward Peninsula tin deposits, by Adolph Knopf. Bulletin 358, 1908, 72 pp.
Page 170 - Second-feet per square mile" is the average number of cubic feet of water flowing per second from each square mile of area drained, on the assumption that the run-off is distributed uniformly both as regards time and area. "Run-off in inches...
Page 327 - Occurrence of wolframite and cassiterite in the gold placers of Deadwood Creek, Birch Creek district, by BL Johnson. In Bulletin 442, 1910, pp. 246-250.
Page 3 - ... carried on two different kinds of work, but this statement will help to elucidate a later table which will summarize the complete areal surveys. Approximate allotments to different kinds of surveys and investigations in 1910.
Page 327 - Bulletin 314, 1907, pp. 164-181. •Water supply of Nome region, Seward Peninsula, Alaska, 1906, by JC Hoyt and FF Henshaw.
Page 328 - Bulletin 379, 1909, pp. 355-369. 50 cents. Geology and mineral resources of the Solomon and Casadepaga quadrangles, Seward Peninsula, Alaska, by PS Smith.
Page 328 - The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts, by AJ Collier, FL Hess, PS Smith, and AH Brooks. Bulletin 328, 1908, 343 pp. •Investigation of the mineral deposits of Seward Peninsula, by PS Smith.