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165549 results.

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Page 6390, results 159726 - 159750

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Publication Extents

Not all publications have extents, not all extents are completely accurate
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....
Tests and researches on building stones
M. R. L’Hermite
1948, Open-File Report 48-17-E
In 1941, the "Association Francaise de Normalisation" (French Association of Standardization) decided to create a Commission for the purpose of writing out a standard for building stones. When this Commission met under the chairmanship of Mr. Pol Abraham, Architect, they realized how far behind was our precise technical knowledge of...
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...
Flood of September 1946 at San Antonio, Texas
Seth D. Breeding
1948, Circular 32
A flood occurred in the streams in and near San Antonio, Teat., during the early morning hours of September 27, 1946, as a result of heavy rains falling during the previous night. Much property damage occurred in San Antonio and below, and four lives were lost. . It is the...
Index of surface-water records, part 3, Ohio River basin, to September 30, 1948
Water Resources Division, U.S. Geological Survey
1948, Circular 39
This report summarizes ground-water-quality data, for Wisconsin, stored in the U.S. Geological Survey 's computer system (WATSTORE). The summary includes water-quality data for 2,443 wells which tap one of the State 's three major aquifers (sand and gravel, Silurian dolomite, and sandstone). Data for dissolved solids, hardness, alkalinity, calcium, magnesium,...
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...