erovnuli-samecniero-biblioteka Search for 'au:"Brooks, Alfred H."'

Military mining.

By Brooks, Alfred H..
Washington, Govt. print. off., 1920 .
43 p. 23 cm..

A reconnaissance from Pyramid harbor to Eagle City, Alaska, including a description of the copper deposits of the upper White and Tanana rivers,

By Brooks, Alfred H..
Washington, Govt. print. off., 1901 .
p. 331-391. , Cover title. | One map in pocket. | Extract from the 21st annual report of the U.S. Geological survey, 1899-1900, pt. II. 30 x 23 cm..

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The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts,

By Collier, Arthur J..
Washington, Gov't print. off., 1908 .
343, v p. , Subject series: A, Economic geology, 106; B, Descriptive geology, 130. | Issued also as House doc. no. 723, 60th Cong., 1st sess. | "Recent survey publications on Alaska": p. i-v. 24 cm..

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Papers on the conservation of mineral resources / reprinted from Report of the National Conservation Commission, February, 1909.

By Geological Survey (U.S.).
Washington : Govt. Print. Off., 1909 .
214 p. : , Contents.- Coal fields of the United States, by M.R. Campbell and E.W. Parker.- Estimates of future coal production, by H. Gannett.- The petroleum resources of the United States, by D.T. Day.- Natural-gas resources of the United States, by D.T. Day.- Peat resources of the United States, exclusive of Alaska, by C.A. Davis.- Iron ores of the United States, by C.W. Hayes.- Resources of the United States in gold, silver, copper, lead, and zinc, by W. Lindgren.- The phosphate deposits of the United States, by F.B. Van Horn.- Mineral resources of Alaska, by A.H. Brooks. | Includes index. 24 cm..

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The Mount McKinley region, Alaska,

By Brooks, Alfred H..
Washington, Govt. print. off., 1911 .
234 p. , 3 fold. maps in pocket. | "Topographic survey, by D. L. Reaburn": p. 32-39. | "Surveys by Cook party in 1906, by Russell W. Porter": p. 39-42. 30 x 23 cm..

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