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184900 results.

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Page 6666, results 166626 - 166650

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Specific yield - laboratory experiments showing the effect of time on column drainage
R.C. Prill, A.I. Johnson, D. A. Morris
1964, Report
The increasing use of ground water from many major aquifers in the United States has required a more thorough understanding of gravity drainage, or specific yield. This report describes one phase of specific yield research by the U.S. Geological Survey's Hydrologic Laboratory in cooperation with the California Department of Water...
Water quality of the Swatara Creek Basin, PA
Edward F. McCarren, J.W. Wark, J.R. George
1964, Report
The Swatara Creek of the Susquehanna River Basin is the farthest downstream sub-basin that drains acid water (pH of 4.5 or less) from anthracite coal mines. The Swatara Creek drainage area includes 567 square miles of parts of Schuylkill, Berks, Lebanon, and Dauphin Counties in Pennsylvania.To learn what environmental factors...
Quaternary geology of the Kenai Lowland and glacial history of the Cook Inlet region, Alaska
Thor N. V. Karlstrom
1964, Professional Paper 443
The Kenai Lowland is part of the Cook Inlet Lowland physiographic subprovince that borders Cook Inlet, a major marine reentrant along the Pacific Ocean coastline of south-central Alaska. The Cook Inlet Lowland occupies a structural trough underlain by rocks of Tertiary age and mantled by Quaternary deposits of varying thicknesses....
Oxidized zinc districts in California and Nevada
Allen Van Heyl, C. N. Bozion
1964, Mineral Investigations Resource Map 39
Deposits of oxidized zinc-bearing ores are widely distributed in Nevada, except in the northwest corner, and are abundant in Inyo and San Bernardino Counties in the northern desert region of California. Known deposits elsewhere in the two States are few, widely spaced, and generally small. The main production has been...
Geology of the Guadalupe Mountains, New Mexico
Philip Thayer Hayes
1964, Professional Paper 446
After the discovery of oil in Permian rocks in Winkler County, Tex., in 1920, petroleum exploration intensified in adjacent parts of western Texas and southeastern New Mexico. Almost immediately unusual stratigraphic complexities were discovered in the Permian rocks. Thus began a long period of stratigraphic investigations, chiefly reconnaissance studies, of...