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Page 5994, results 149826 - 149850

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Fluid impact craters and hypervelocity - high velocity impact experiments in metals and rocks
H. J. Moore, R.W. MacCormick, D. E. Gault
1963, Open-File Report 63-100
The impact phenomena of hypervelocity and high-velocity projectiles with rock and metal targets are being studied in a cooperative research program conducted by the U.S. Geological Survey and the Ames Research Center of the National Aeronautics and Space Administration. This paper deals with the comparison of: (1) fluid-impact craters produced...
Effects of drought in the Rio Grande basin: Chapter D in Drought in the Southwest, 1942-56
H. E. Thomas
1963, Professional Paper 372-D
In headwater areas of the Rio Grande and its principal tributaries, variations in streamflow and in ground-water storage and discharge depend upon fluctuations in precipitation, with modifications by geologic factors and by the pattern of water development and use. In downstream areas the surfaceand ground-water resources are replenished not only...
Ground-water contamination and legal controls in Michigan
Morris Deutsch
1963, Water Supply Paper 1691
The great importance of the fresh ground-water resources of Michigan is evident because 90 percent of the rural and about 70 percent of the total population of the State exclusive of the Detroit metropolitan area are supplied from underground sources. The water-supply and public-health problems that have been caused by...
Ground-water reconnaissance of American Samoa
Daniel Arthur Davis
1963, Water Supply Paper 1608-C
The principal islands of American Samoa are Tutuila, Aunuu, Ofu, Olosega, and Ta'u, which have a total area of about 72 square miles and a population of about 20,000. The mean annual rainfall is 150 to 200 inches. The islands are volcanic in origin and are composed of lava flows,...
Geology and ground-water resources of Winkler County, Texas
Sergio Garza, John B. Wesselman
1963, Water Supply Paper 1582
Winkler County, in west Texas, is adjacent to the southeast corner of New Mexico. Most of the county lies in the Pecos Valley; the remainder, in the northeastern part of the county, is part of the Llano Estacado, or the High Plains. Its principal industries are those related to the...