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Page 7013, results 175301 - 175325

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Geology of parts of the Johnny Gulch quadrangle, Montana
Val L. Freeman
1954, Open-File Report 54-92
An area of about 35 square miles, situated about 30 miles southeast of Helena, Montana, was mapped during the summer of 1952 at a scale of l:24, 000. The area includes a part of the eastern foothills of the Elkhorn Mountains, and is underlain by sedimentary mad volcanic rocks of...
Water resources of the Pittsburgh area, Pennsylvania
Max Noecker, D.W. Greenman, N.H. Beamer
1954, Circular 315
The per capita use of water in the Pittsburgh area in 1951 was 2, 000 gallons per day fgpd) or twice the per capita use in Pennsylvania as a whole. An average of about 3, 040 million gallons of water was withdrawn from the streams and from the ground each...
Geology of the western Everglades area, southern Florida
Melvin C. Schroeder, Howard Klein
1954, Circular 314
IntroductionDuring 1950, a series of 43 test wells 30 feet deep were drilled by the United States Corps of Engineers along the western edge of the Everglades from the Tamiami Canal northward to the Caloosahatchee River. The cores obtained from the wells afford geologic data along a line from the...