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Page 6312, results 157776 - 157800

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Reconnaissance of radioactive rock of the Hudson Valley and Adirondack Mountains, New York
Perry F. Narten, Francis A. McKeown
1952, Trace Elements Investigations 70
In August 1949 a carborne reconnaissance for radioactivity was made along 3,750 miles of road in the Paleozoic rocks of the Hudson Valley and the pre-Cambrian rocks of the Adirondack Mountains in eastern and central New York state. In the Paleozoic rocks the average radioactivity of the most strongly radioactive rocks...
Uranium-bearing coal and carbonaceous rocks in the Fall Creek area, Bonneville County, Idaho
James D. Vine, George Winfred Moore
1952, Circular 212
Uraniferous coal, carbonaceous shale, and carbonaceous limestone occur in the Bear River formation of Early Cretaceous age at the Fall Creek prospect, in the Fall Creek area, Bonneville County, Idaho. The uranium compounds are believed to have been derived from mildly radioactive silicic volcanic rocks of Tertiary age that rest...
Water resources of the Detroit area, Michigan
Chester Owen Wisler, G.J. Stramel, Leslie Bostwick Laird
1952, Circular 183
The water used for all purposes in the Detroit area is obtained from three sources: Lake St. Clair and the Detroit River, their tributary streams and inland lakes, and ground water. During 1950 Lake St. Clair and the Detroit River provided 2,896 million gallons per day (mgd), or 98.3 percent...
Geochemical and mineralogical methods of prospecting for mineral deposits
A. Ye Fersman, S. A. Borovik, G.V. Gorshkov, S.D. Popov, A.F. Sosedko, Lydia Hartsock, A.P. Pierce
1952, Circular 127
Fersman's book "Geochemical and mineralogical methods of prospecting for mineral deposits" (Geokhimicheskiye i mineralogicheskiye metody poiskov poleznykh iskopayemykh) covers all petrographic, mineralogical, and geochemical techniques that are used either directly or indirectly in mineral exploration. Chapter IV is of particular interest because it describes certain geochemical methods and principles that...
Topographic instructions, Book 3, multiplex procedure; Chapter 3 C7a-e
Edward I. Loud
1952, Circular 164
By direct projection of overlapping photographs, printed on glass plates, the multiplex produces an exact optical model, in miniature, of the terrain to be mapped. To create the model, the multiplex projectors must be properly positioned and oriented so that they duplicate the orientation of the aerial camera at the...