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184743 results.

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Publication Extents

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Geology applied to modern highways
Leo Maddalena
1948, Open-File Report 48-17-D
"Geology applied to modern highways", by Leo Maddalena, is a study of the contribution of geologic work to the construction of a heavy-duty highway through rugged terrain in the Apennine Mountains of Italy....
Preliminary geologic report of Sadlerochit River area, 1948
Charles L. Whittington, Edward G. Sable
1948, Open-File Report 54-333
"The Sadlerochit River area" is the name that has been applied for purposes of convenience to that portion of the eastern part of the northern Alaska shown in Figure 1. The map covers an area of about 1400 square miles. The center of this map is a point approximately 55...
Discharge and runoff in the Missouri River basin
Bruce R. Colby, Roy E. Oltman
1948, Circular 37
Within the Missouri River Basin the precipitation and temperature vary greatly with both time and geographical location. Differences in weather and climate combine with differences in topography and geology to produce large differences in runoff from time to time and from place to place in the basin. The average annual...
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....
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...