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Page 4999, results 124951 - 124975

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Correlation of coal beds, coal zones, and key stratigraphic units in the Pennsylvanian rocks of eastern Kentucky
Charles L. Rice, J. Hiram Smith
1980, Miscellaneous Field Studies Map 1188
The Pennsylvanian rocks of the eastern Kentucky coal field unlderlie an area of about 27,000 square kilometers (see index map). Largely because of the size and stratigraphic complexity of the area, Huddle and others (1963, p. 31) divided it into six coal reserve districts (unofficial), utilizing state and county lines...
Distribution of salt structures in the Gulf of Mexico map and descriptive text
R. G. Martin
1980, Miscellaneous Field Studies Map 1213
Slender diapiric stocks, broad massifs, anticlinal masses, low-relief swells, and pillowy lobes of Middle to Upper Jurassic salt (Viniegra, 1971; Kirkland and Gerhard, 1971; Imlay, 1980) dominate the structural fabric of large parts of the continental margins and deep basin of the Gulf of Mexico (sht. 1, A). These structures,...
Coal-quality information from the eastern United States
Virgil A. Trent
1980, Miscellaneous Field Studies Map 1190
The United States is attempting to increase domestic coal production in order to reduce dependence upon costly imported petroleum and to stabilize domestic fuel supplies, until alternative sources of energy are developed.  In 1975, coal production for the United States amounted to roughly 654 million short tons (593.5 million metric...
A climatic appraisal of the rehabilitation potential of strippable coal lands in the Green, Yampa, and White River drainage basins, Colorado, Utah, and Wyoming
Terrence J. Toy, Debra S. Grim
1980, Miscellaneous Field Studies Map 1212
The study area of this report is defined as the drainage basins of the Green, Yampa, and White Rivers. The Uinta Mountains of northeastern Utah are excluded because of the lack of sufficient reliable and representative climatological records and because of the unlikelihood of surface-mining within these mountains....
Land use and land cover, 1972-77, Culpeper Basin, Virginia-Maryland
Water Resources Division, U.S. Geological Survey
1980, Miscellaneous Field Studies Map 1208
Land use refers to man's activities that relate directly to the land.  Lover cover describes the land surface- vegetation, water, naturally- occurring soil and rock, and artificial constructions. In showing land use and land cover in the Culpeper Basin, this map features a consistent level of detail and standardization of categories....