Geology topics
W.E. Davies
Publications and source records attributed to W.E. Davies.
Landslides and related features, West Virginia; Virginia; Kentucky; Bluefield 1 degree x 2 degree sheet
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Map of coal-mining features, Allegheny County, Pennsylvania
This map is one result of a series of studies sponsored by the Appalachian Regional Commission as part of a larger U.S. Geological Survey program of environmental analysis of a part of southwestern Pennsylvania. The map summarizes surface features resulting from coal mining. The distribution of surface features is largely from 1973, 1:12,000 scale aerial photographs verified by field reconnaissance in 1973 and 1974. Supplementary interpretations relative to surface subsidence were done using 1939 aerial photographs.
Map of susceptibility to landsliding, Allegheny County, Pennsylvania
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Landslide susceptibility map of the Braddock 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of part of the Bridgeville 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of part of the Canonsburg 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of part of the Curtisville 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of the Glassport 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of the McKeesport 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Landslide susceptibility map of the New Kensington West 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in the Braddock 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in part of the Freeport 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in the Glassport 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in the McKeesport 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in part of the Monongahela 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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Map of land modified by man in part of the Murrysville 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
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