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11370 results.

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Page 414, results 10326 - 10350

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Publication Extents

Not all publications have extents, not all extents are completely accurate
An aeromagnetic reconnaissance of the Cook Inlet area, Alaska
Arthur Grantz, Isidore Zietz, Gordon E. Andreasen
1960, Open-File Report 60-59
Forty-two east-west aeromagnetic lines were flown across the Cook Inlet-Susitna Lowland between Chelatna Lake and Seldovia at a flight altitude of approximately 2,500 feet. The lines traverse all or part of five Mesozoic tectonic elements that dominate the structure of the Cook Inlet area. Each of these tectonic elements, the...
The physiographic provinces of Alaska
Clyde Wahrhaftig
1960, Open-File Report 60-146
The wealth of recently accumulated geographic information on Alaska has made desirable a new classification of the state into physiographic divisions. Most of Alaska is now covered by topographic maps of high quality at scales of 1:63,360 and 1:250,000, prepared by multiplex methods from aerial photography. A classification made now...
Ground-water data for Fairbanks area, Alaska
D.J. Cedarstrom
1960, Open-File Report 49-60
A compilation of records of about 450 wells in the Fairbanks area is presented herein. The data were collected by D. J. Cedarstrom and Troy L. Pewe during the first phases of an investigation by the United States Geological Survey of the permafrost, terrain, and water resources of the Fairbanks...
Metallization and post-mineral hypogene argillization, Lost River tin mine, Alaska
C.L. Sainsbury
1960, Economic Geology (55) 1478-1506
The Lost River tin and tungsten deposit occurs in a buried granite pluton and in associated rhyolite dikes that intrude Paleozoic limestone. The dikes and parts of the granite were greisenized and then argillized irregularly. Metallization accompanied greisenization rather than argilli-zation, although both processes probably were closely related in time. Iron-zinc ratios...