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Page 5460, results 136476 - 136500

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bendeleben Quadrangle, Alaska
Edward Huntington Cobb
1975, Open-File Report 75-429
This summary of references is designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in the Bendeleben quadrangle, Alaska. All references to published and open-filed reports of the Geological Survey, to most published and open-filed reports of the U.S. Bureau...
Barite deposits near Khuzdar, Kalat Division, Pakistan
Frederick L. Klinger, Mohammad Iftikhar Ahmad
1975, Open-File Report 75-275
Important deposits of barite are about 6 miles southwest of Khuzdar in a folded belt of Jurassic limestone and shale. The deposits are lenses distributed along a narrow stratigraphic zone more than 4,600 feet long. Wallrocks have been altered by silicification, leaching, and by the introduction and oxidation of iron....
Aquifer tests in the Summit reach of the proposed Cross-Florida Barge Canal near Ocala, Florida
C. H. Tibbals
1975, Water-Resources Investigations Report 75-28
Values for the horizontal and vertical hydraulic conductivity of Floridan aquifer materials are estimated by analyses of specially-designed aquifer tests at three sites along the Summit Pool reach of the proposed Cross-Florida Barge Canal for use in evaluating the exchange of water between the aquifer and the canal. Methods are...
Water resources data for California, 1974; Part 2: Water quality records
Water Resources Division, U.S. Geological Survey
1975, Water Data Report CA-74-2
Water-resources data for the 1974 water year for California include records of data for the chemical, physical, and biological characteristics of surface and ground water. These data were collected from designated sampling sites at predetermined intervals such as once daily, weekly, monthly, or less frequently, and at some sites data...
Landsliding in Allegheny County, Pennsylvania
Reginald Peter Briggs, John S. Pomeroy, William E. Davies
1975, Circular 728
Man should proceed with caution if modifications such as loading, excavation, or changes of the water regime are contemplated for slopes in Allegheny County, especially those slopes described on the map as highly sensitive to disturbance by man. Features indicative of unstable slope conditions include: cracks in buildings, yard walls,...
The National Stream Quality Accounting Network (NASQAN) - Some questions and answers
John F. Ficke, Richard O. Hawkinson
1975, Circular 719
One of the major new efforts of the U.S. Geological Survey is the National Stream Quality Accounting Network (NASQAN). This circular is intended to answer some of the frequently asked questions concerning concepts used in establishing NASQAN, its purposes, design, value, and future plans....