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Page 6279, results 156951 - 156975

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Not all publications have extents, not all extents are completely accurate
Coal resources of the United States (a progress report, October 1, 1953)
Paul Averitt, Louise R. Berryhill, Dorothy A. Taylor
1953, Circular 293
As estimated in this second progress report, the coal reserves of the United States remaining in the ground on January 1, 1953, total 1,899,739 million tons. This figure is about a 20 percent reduction of the total estimate published in the first progress report (Averitt and Berryhill, 1950). The new...
Preliminary report on the Comet area, Jefferson County, Montana
George Earle Becraft
1953, Circular 277
Several radioactivity anomalies and a few specimens of sooty pitchblende and other uranium minerals have been found on the mine dumps of formerly productive base- and precious-metal mines along the Comet-Gray Eagle shear zone in the Comet area in southwestern Montana. The shear zone is from 50 to 200 feet...
Ground-water conditions in the Milwaukee-Waukesha area, Wisconsin
Frank Clingan Foley, W.C. Walton, W.J. Drescher
1953, Water Supply Paper 1229
Three major aquifers underlie the Milwaukee-Waukesha area: sandstones of Cambrian and Ordovician age, Niagara dolomite of Silurian age, and sand and gravel deposits of Pleistocene age. The Maquoketa shale of Ordovician age acts as a more or less effective seal between the Pleistocene deposits and Niagara dolomite above and the...