Gallery›Library of Congress — Maps›Relative pollution potential priority by subwatershed, Tulpehocken Creek Watershed, Berks and Lebanon counties, Pennsylvania
Library of Congress — Maps
Relative pollution potential priority by subwatershed, Tulpehocken Creek Watershed, Berks and Lebanon counties, Pennsylvania
united states. soil conservation service · 1991
Map
CC0 — Public Domain
Library of Congress — Maps
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