Kullanıcılar ne diyor? - Eleştiri yazın
Her zamanki yerlerde hiçbir eleştiri bulamadık.
Diğer baskılar - Tümünü görüntüle
Alaska amount analysis appears Arkansas average basin beach beam bed rock bench boiler carbon carry cent claims clay coal coal bed combustion considerable consists contain Creek curve deposits described determined developed district east efficiency evidence extends fact fault feet field floor formation furnace gases geology gold granite gravel Hartshorne head heat hole inches increase indicate known less lignite limestone localities lower mass material methods miles mineral mining Mountains mouth nearly Nome obtained occur operations Peninsula placers plain pounds present probably production prospecting quartz ratio reconnaissance region relation reported represented River sample sand sandstone schist Seward Shale shown shows side slope stream surface Survey taken temperature tests thick tion tributary U. S. Geol United upper valley veins weight
Sayfa 15 - These pats, to satisfactorily pass the requirements, shall remain firm and hard and show no signs of distortion, checking, cracking, or disintegrating.
Sayfa 6 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement...
Sayfa ii - The interaction between minerals and water solutions, with special reference to geologic phenomena, by EC Sullivan.
Sayfa 6 - Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Sayfa 77 - Method. — As a method to be followed for the analysis of cement, that proposed by the committee on uniformity in the analysis of materials for the...
Sayfa 15 - Sand. 7 days (1 day in moist air, 6 days in water)... 200 Ibs.
Sayfa iv - Butts. 1906. 198 pp., 11 pis. B 280. The Rampart gold placer region, Alaska, by LM Prindle and FL Hess. 1906.
Sayfa 15 - Pats of neat cement about 3 inches in diameter, \ inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. " (a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.