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165309 results.

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Page 6378, results 159426 - 159450

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Reservoirs in the United States
G. Earl Harbeck Jr.
1948, Circular 23
Man has engaged in the control of flowing water since history began. Among his early recorded efforts were reservoirs for muncipal water-supplies constructed near ancient Jerusalem to store water which was brought there in masonry conduits. 1/  Irrigation was practiced in Egypt as early as 2000 B. C. There the...
Ground water in the Anadarko area [Caddo County], Oklahoma
Stuart L. Schoff
1948, Open-File Report 48-84
This report offers a preliminary interpretation of the geology and ground-water hydrology of the Anadarko area, Oklahoma. L.V. Davis prepared the accompanying map from aerial photographs and furnished much of the geologic information, and records of the State Mineral Survey (WPA) were used in the preparation of the section on...
Choice of materials most suitable for ballast
Leo Maddalena
1948, Open-File Report 48-17-A
"Choice of materials most suitable for ballast", by Leo Maddalena, describes the properties needed for good railroad ballast material. Important rocks of Italy and general rock types, such as granite, syenite, lavas, sandstones and limestones, are considered with respect to their structure, texture, compaction, accessory elements, porosity, alteration, and strength....
Geology of the Southern Guadalupe Mountains, Texas
Philip B. King
1948, Professional Paper 215
This report deals with an area of 425 square miles in the western part of Texas, immediately south of the New Mexico line. The area comprises the south end of the Guadalupe Mountains and the adjacent part of the Delaware Mountains; it includes the highest peaks in the State of...