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184617 results.

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Page 6759, results 168951 - 168975

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Evolution of methods for evaluating the occurrence of floods
M. A. Benson
1962, Water Supply Paper 1580-A
A brief summary is given of the history of methods of expressing flood potentialities, proceeding from simple flood formulas to statistical methods of flood-frequency analysis on a regional basis. Current techniques are described and evaluated. Long-term flood records in the United States show no justification for the adoption of a...
Water levels in observation wells in Santa Barbara County, California, in 1961
K. S. Muir
1962, Open-File Report 62-91
Investigation of the ground-water resources of Santa Barbara County was continued during 1961 by the U. S. Geological Survey in cooperation with the Santa Barbara County Water Agency. Monthly water-level measurements were made in 190 wells, in 9 of which automatic water-level recorders were operated. Earlier measurements, covering the period...
Reconnaissance of ground-water resources in the Eastern Coal Field Region, Kentucky
William E. Price, D. S. Mull, Chabot Kilburn
1962, Water Supply Paper 1607
In the Eastern Coal Field region of Kentucky, water is obtained from consolidated sedimentary rocks ranging in age from Devonian to Pennsylvanian and from unconsolidated sediments of Quaternary age. About 95 percent of the area is underlain by shale, sandstone, and coal of Pennsylvanian age. Principal factors governing the availability...
Floods in Nebraska on small drainage areas, magnitude and frequency
Emil W. Beckman, Norman E. Hutchison
1962, Circular 458
Flood hazard information is needed for small streams as well as for large ones. This report explains methods of defining the magnitude and frequency of floods in Nebraska on uncontrolled and unregulated streams which have about 300 square miles or less of drainage area contributing to surface runoff. Composite frequency...
Asbestos in the United States, exclusive of Alaska and Hawaii
A.H. Chidester, A. F. Shride
1962, Mineral Investigations Resource Map 17
The asbestos deposits in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. The principal mineralogic types of asbestos (chrysotile and amphibole) are indicated by the shape of symbols, and the relative importance of the deposit is indicated by the size of symbols. The text...
Vanadium in the United States, exclusive of Alaska and Hawaii
Richard Philip Fischer
1962, Mineral Investigations Resource Map 16
The productive and potential raw material sources of vanadium in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. This map is at the scale of 50 miles to the inch. The text accompanying the map briefly describes the major geologic types of deposits of...