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Surficial geophysical data for two cross-valley lines in the middle Eagle River valley, Alaska
Larry L. Dearborn, Donald H. Schaefer
1981, Open-File Report 80-2000
In 1979, six electrical resistivity and four seismic refraction soundings were made in the middle reach of the Eagle River valley northeast of Anchorage, Alaska. Interpretation of the geophysical data collected indicated that depth to bedrock below the valley floor varies between about 350 and 450 feet. Two, and perhaps...
Maps showing aeromagnetic survey and geologic interpretation of the Chignik and Sutwik Island quadrangles, Alaska
J. E. Case, D. P. Cox, D.E. Detra, R. L. Detterman, Frederic H. Wilson
1981, Miscellaneous Field Studies Map 1053-B
An aeromagnetic survey over part of the Chignik and Sutwik Island quadrangles, on the southern Alaska Peninsula, was flown in 1977 as part of the Alaska mineral resource assessment program (AMRAP). Maps at scales 1:250,000 and 1:63,360 have been released on open-file (U.s. Geological Survey, 1978a, 1978b). This report includes...