Map of coal-mining features, Allegheny County, Pennsylvania

Miscellaneous Field Studies Map 685-C
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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.

Study Area

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Map of coal-mining features, Allegheny County, Pennsylvania
Series title Miscellaneous Field Studies Map
Series number 685
Chapter C
DOI 10.3133/mf685C
Year Published 1976
Language English
Publisher U.S. Geological Survey
Description 2 Sheets: 32.14 x 36.20 inches and 35.77 x 44.78 inches
Country United States
State Pennsylvania
County Allegheny County
Scale 0
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