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Map showing depths to the Pittsburgh coal bed, mining activity, and related surface subsidence, Allegheny, Washington, and Westmoreland Counties, Pennsylvania

Miscellaneous Field Studies Map 693-A
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Publication type Report
Publication Subtype USGS Numbered Series
Title Map showing depths to the Pittsburgh coal bed, mining activity, and related surface subsidence, Allegheny, Washington, and Westmoreland Counties, Pennsylvania
Series title Miscellaneous Field Studies Map
Series number 693
Chapter A
DOI 10.3133/mf693A
Year Published 1975
Language English
Publisher U.S. Geological Survey
Description 1 Plate: 43.01 × 37.17 inches
Country United States
State Pennsylvania
County Allegheny County, Washington County, Westmoreland County
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