Geology and Oil Resources of the Elk Hills, California: Including Naval Petroleum Reserve No.1, Issues 831-835 |
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Alaska Range analysis of sample anticline Basin Bigford bluff boundary Bulletin calcareous Cambrian Cantwell Carrizo cents chert clay coal coal-bearing Cockfield conglomerate containing Cook Mountain Cook Mountain formation copper County deposits Devonian diameter discharge district dredge edge water Elk Hills Etchegoin exposed exposures fault Fayette feet fossils Frio Geological Survey glaciers gold grains gravel gray Gumbo Hard Luck Creek inches Kantishna Lake limestone Lituya Bay material McKinley miles east MILLIMETERS mineral Mount McKinley Mount Selman mudstone Nenana Nenana River northeast Oakville oil sand outcrop pebbles placer mining places Plate production quartz ranch Reynosa ridge Rio Grande region rocks sandstone sandy Scalez bed Scalez oil zone schist second-feet sediments September shale silt slope southeast stratigraphic stream surface Tatonduk River terrace Tertiary Texas thickness tion tributary Tulare formation U. S. Geol upper valley Webb County Yukon Zapata County
Popular passages
Page 149 - 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" is the depth to which an area would be covered if all the water flowing from it in a given period were uniformly distributed on the surface. It is used for comparing run-off with rainfall, which is usually expressed in depth in inches. An "acre-foot," equivalent...
Page 2 - Cape Lisburne in 1901, by FC Schrader, with notes by WJ Peters. Professional Paper 20, 1904, 139 pp. 40 cents. *Geology and coal resources of the Cape Lisburne region, Alaska, by AJ Collier. Bulletin 278, 1906, 54 pp. 15 cents. 'Geologic investigations along the Canada-Alaska boundary, by AG Maddren. In Bulletin 520, 1912, pp. 297-314. 50 cents. *The Noatak-Kobuk region, by PS Smith. Bulletin 536, 1913, 160 pp. 40 cents. *The Koyukuk-Chandalar region, Alaska by AG Maddren. Bulletin 532, 1913, 119...
Page 449 - Kasaan Peninsula, Prince of Wales Island (No. 540A) ; scale, 1:62,500; by DC Witherspoon, RH Sargent, and JW Bagley. 10 cents retail or 6 cents wholesale. Also contained in Professional Paper 87.
Page 5 - From this table and diagram it is evident that prior to 1898 the annual production ranged from negligible amounts to a maximum of less than $3,000,000. After the discovery of the Canadian Klondike and the entrance of a swarm of prospectors and miners into Alaska the production quickly mounted until in 1906 it reached a high point that marks the mining of many of the rich placers in the Nome and Fairbanks regions. For the next 8 years the annual production fluctuated somewhat but ranged around $20,000,000....
Page 64 - Range, but although the ore was of high grade and the price of silver much higher than at present, the expense of transporting it to smelters in the States and having it smelted consumed practically all the profits. In southeastern Alaska, however, where the region is much more accessible to deep-water transportation and all operating costs are lower, there have been many attempts to find and develop silver-lead deposits. The greatest amount of work of this kind has been done in the region at the...
Page 150 - The general methods are outlined in standard textbooks on the measurement of river discharge. From the discharge measurements rating tables are prepared that give the discharge for any stage.
Page 97 - Alaska; mining studies principally in the Taku district near Juneau and at other points in southeastern Alaska ; geologic investigations in the vicinity of Glacier Bay ; reconnaissance topographic mapping in the...
Page 111 - Federal officers and private applicants, regarding lands that may be under consideration for a lease or permit. Practically all the coal mining and much of the oil prospecting in Alaska is done on public lands by private individuals or companies under leases or permits issued by the Secretary of the Interior. The interest of the Government in these lands requires not only that these grants shall be a source of revenue to the Nation but that proper methods of extracting the minerals shall be employed,...
Page 86 - The principal products of the Alaska work of the Geological Survey are reports and maps based on original surveys or investigations. During the year 21 such official reports have been issued or have been completed by their authors and approved for publication, a?
Page 449 - Mineral resources of the Nabesna-White River district, by FH Moffit and Adolph Knopf ; with a section on the Quaternary, by SR Capps. Bulletin 417, 1910, 64 pp.