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Page 5566, results 139126 - 139150

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Geologic setting and chemical characteristics of hot springs in central and western Alaska
Thomas P. Miller, Ivan Barnes, William Wallace Pattan Jr.
1973, Open-File Report 73-188
Numerous hot springs occur in a variety of geologic provinces in central and western Alaska. Granitic plutons are common to all the provinces and the hot springs are spatially associated with the contacts of these plutons. Of 23 hot springs whose bedrock geology is known, all occur within 3 miles...
Measurement of lateral erosion at proposed river crossing sites of the Alaskan pipeline
James Brice
1973, Open-File Report 73-31
This study of lateral erosion rates by comparison of aerial photographs was undertaken at the request of D. M. Culbertson, hydraulic engineer, U.S. Geological Survey, Menlo Park, Calif., and preparatory work in Alaska (during June 1-18, 1971) was done with the cooperation of Harry Hulsing, district chief, Alaska District. Examination...
Bedrock topography of southeast Iowa
Robert E. Hansen
1973, IMAP 808
The bedrock in Iowa is covered nearly everywhere by unconsolidated deposits of glacial drift and alluvium, which range in thickness from less than 1 foot to more than 400 feet, and from less than 1 foot to about 60 feet, respectively. The configuration of the bedrock surface is the result...
Selected hydrologic data in the upper Colorado River basin
Don Price, K.M. Waddell
1973, Hydrologic Atlas 477
Most of the information in this atlas pertains to the ground-water resources of the basin. The surface-water resources, climate, and geohydrologic framework have been described in considerable detail by Iorns and others (1964, 1965).The maps in this atlas are highly generalized, and are intended to provide the reader with only...