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Alaska amount appear associated August average basin beach bed rock bodies Bulletin carried cent claims clay coal Company considerable consist contains copper cost County Creek deposits depth dikes distance district ditch drainage east elevation exposed extends Fairbanks fault feet field flows formation geologic gold granite gravels ground head Hill important inches iron Island July known less lignite limestone localities located lower masses material miles mineral mining Mountain mouth nearly obtained occur operations outcrop Peninsula places plant portion present probably production prospecting quartz range region reported ridge River sand sandstone schists season Seward shaft shale shore shows side similar slope square stream strike summer supply surface Survey thickness tunnel upper valley vein White wide Yukon zone
Seite 356 - 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...
Seite 356 - ... 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.
Seite 399 - Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Seite 77 - SCHRADER, FC, Mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County, Ariz.: Bull.
Seite 417 - Mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County, Arizona: US Geol.
Seite 143 - IRVING, JD. Some recently exploited deposits of wolframite in the Black Hills of South Dakota: Am.
Seite 344 - States publications, except those to which a price is affixed, can be obtained free by applying to the Director, United States Geological Survey, Washington, DC The priced publications may be purchased from the Superintendent of Documents, Government Printing Office, Washington, DC The one marked " Exhausted " is not available for distribution, but may be seen at the larger libraries of the country.
Seite 356 - Run-off in inches" is the depth to which the drainage area would be covered if all the water flowing from it in a given period were conserved and uniformly distributed on the surface. It is used for comparing run-off with rainfall, which is usually expressed in depth in inches. "Acre-foot...
Seite 259 - XLV. 463 pp. 1903. CLEMENTS, JM, SMYTH, HL, BAYLEY, WS, and VAN HISE, CR The Crystal Falls iron-bearing district of Michigan. Monograph XXXVI.