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Alaska amount appears bands Baranof Lake body Bulletin cents channel Chickaloon chromite claims coal coal beds concentrates considerable contain continued copper covered Creek Daily discharge deposits determined discharge distance district dredges east Eska estimated exposed extended Fairbanks fault feet field flow foot gage gage heights geologic gold gravel ground head inches included indicated interval July June known Lake less lignite lode lower Martin Matanuska Maximum mean discharge measurements miles mill mineral mining Mountain occurs operated ounces outlet output periods placer placer gold placer mines Port probably production prospect Quantity recorder region relation reported River rocks scale second-feet separately Seward Peninsula shale shipped side silver stages stream strike summer surface Survey thawing thickness tons tunnel upper Valley Value water-stage recorder yards
Page xii - Bulletin 218, 1903, 71 pp. 15 cents. *Occurrence of gold in the Yukon-Tanana region, by LM Prindle. In Bulletin 345, 1908, pp. 179-186. 45 cents. The Fortymile quadrangle, Yukon-Tanana region, Alaska, by LM Prindle. Bulletin 375, 1909, 52 pp. Water-supply investigations in Yukon-Tanana region, Alaska, 1907-8 (Fairbanks, Circle, and Rampart districts), by CC Covert and CE Ellsworth. Water-Supply Paper 228, 1909, 108 pp.
Page v - Bulletin 480, 1911, pp. 103-111. The Eagle River region, southeastern Alaska, by Adolph Knopf. Bulletin 502, 1912, 61 pp. The Sitka mining district, Alaska, by Adolph Knopf. Bulletin 504, 1912, 32 pp. The...
Page 6 - The following table exhibits the progress of investigations in Alaska and the annual grant of funds since systematic surveys were begun in 1898. It should be noted that a varying amount is spent each year on special investigations that yield results which can not be expressed in terms of area.
Page xiii - In Bulletin 622, 1915, pp. 189-228. Mining in the Fairbanks district, by HM Eakin. In Bulletin 622, 1915, pp. 229-238. Mining in the Hot Springs district, by HM Eakin. In Bulletin 622, 1915, pp. 239-245. Mineral resources of the Lake Clark-Iditarod region, by PS Smith. In Bulletin 622, 1915, pp. 247-271. Quicksilver deposits of the Kuskokwim region, by PS Smith and AG Maddren. In Bulletin 622, 1915, pp.
Page v - Ketchikan and Wrangell districts, by EF Burchard. In Bulletin 542, 1913, pp. 52-77. Marble resources of the Juneau, Skagway, and Sitka districts, by EF Burchard. In Bulletin 592, 1914, pp. 95-107.
Page 6 - Salaries of the permanent staff are included up to the end of the fiscal year 1918, but expenses other than these include only the cost of field and office work during 1917. The
Page 5 - About 1,200 square miles was covered by reconnaissance topographic surveys on a scale of 1:250,000 (4 miles to an inch). In cooperation with the Forest Service, stream gaging was continued in southeastern Alaska.
Page xii - Bulletin 417, 1910, 64 pp. •Placer mining in the Yukon-Tanana region, by CE Ellsworth. In Bulletin 442, 1910, pp. 230-245. 40 cents. •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.