The Fairbanks and Rampart Quadrangles, Yukon-Tanana Region, Alaska

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U.S. Government Printing Office, 1908 - Geology - 102 pages
 

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Page 54 - They may be defined as follows: "Second-feet" is an abbreviation for "cubic feet per second." A second-foot is the rate of discharge of water flowing in a...
Page ii - 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 48 - OPEN-CUT MINING. The ground is generally stripped first of all by sluicing off the overlying muck. A bedrock drain is then constructed, and an open cut of sufficient width for one or two sets of boxes is carried gradually up the valley. In some cases the gravel is hoisted by steam power entirely out of the cut to boxes set above the surface and to one side of the workings. By this method a frequent resetting of the boxes is avoided and there is a better disposal of tailings. Gravel is hoisted by...
Page ii - Kantishna regions, by LM Prindle. In Bulletin 314, 1907, pp. 205-226. The Circle Precinct, Alaska, by Alfred H. Brooks. In Bulletin 314, 1907, pp. 187-204. The Yukon-Tanana region, Alaska; description of the Fairbanks and Rampart quadrangles, by LM Prindle, FL Hess, and CC Covert. Bulletin 337, 1908, 102 pp. •Occurrence of gold in the Yukon-Tanana region, by LM 'Prindle.
Page iii - Bulletin 314, 1907, pp. 157-163. 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. In Bulletin 345, 1908 pp.
Page 94 - The transformation of an available water supply into a powerful tool of excavation and transportation and the use of this tool in the most skillful and efficient manner are among the most important problems of mining. Lack of knowledge and skill may be covered by the results where the ground is very rich, but with ground like that under consideration the possession of these qualities or the lack of them may make all the difference between success and failure. Directors and stockholders of companies...
Page iii - Documents for 40 cents.) Coal fields of the Cape Lisburne region, by AJ Collier. In Bulletin No. 259, 1905, pp. 172-185. Geology and coal resources of Cape Lisburne region, Alaska, by AJ Collier. Bulletin No. 278, 1906, 54 pp. Topographic maps. Fort Yukon to Kotzebue Sound, reconnaissance map of; scale, 1:625000; by DL Reaburn.
Page ii - Bulletin 345, 1908, pp. 187-197. 45 cents. Water-supply investigations in Alaska, 1906 and 1907. by FF Henshaw and CC Covert. Water-Supply Paper 218, 1908, 156 pp.
Page iii - Bulletin 345, 1908, pp. 251-267. 45 cents. *Mineral deposits of the Lost River and Brooks Mountain regions, Seward Peninsula, by Adolph Knopf. In Bulletin 345, 1908, pp.
Page 103 - Topographic maps. Alaska, topographic map of; scale, 1: 2500000. Preliminary edition by RU Goode. Contained in Professional Paper No. 45. Not published separately. Map of Alaska showing distribution of mineral resources; scale, 1:5000000; by AH Brooks. Contained in Bulletin 345 (in pocket). Map of Alaska; scale, 1:5000000; by Alfred H. Brooks.

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