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Map of land modified by man in part of the Mars 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania

January 1, 1974

No abstract available.

Publication Year 1974
Title Map of land modified by man in part of the Mars 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
DOI 10.3133/ofr74115
Authors J. S. Pomeroy
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 74-115
Index ID ofr74115
Record Source USGS Publications Warehouse
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