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Zinc and lead deposits of the Sinsinawa River area, Grant County, Wisconsin
John W. Allingham, Arthur E. Flint, Allen F. Agnew
1955, Miscellaneous Field Studies Map 40
A broad geologic study of the structure and ore deposits of the Wisconsin-Illinois-Iowa zinc-lead district (fig. 1) was begun by the U.S. Geological Survey in 1942.  The main object of the present program is to delineate the areas favorable to future exploration for zinc-lead ore deposits.  As part of the...
Electrical resistivity measurements in the Neillsville area, Wisconsin
H. Cecil Spicer, George J. Edwards
1955, Open-File Report 55-173
Sixty-eight electrical depth profiles were completed in the vicinity of Neillsville, Wis. to obtain information on the water-bearing beds in the glacial moraine and consolidated sedimentary rocks in the area. No productive aquifers were found but the best areas for test drilling are described. The basic theory and interpretation procedures,...
Preliminary geologic map and structure sections of the Shaktolik River area, Alaska
William W. Patton Jr., Robert S. Bickel
1955, Open-File Report 55-134
The U.S. Geological Survey began stratigraphic and structural studies in the southern half of the Koyukuk Cretaceous basin in 1954. During June 1954, the Shaktolik River was traversed by boat from near the confluence of Brass Pan Creek to Norton Sound. All cutback exposures along the river were examined and,...