Active Sludge Pond
Reservoir in Washington County, Pennsylvania · on the USGS Ellsworth quadrangle
40.12255, -80.03037
Maps that show Active Sludge Pond
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Ellsworth, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Amity, PA
Old map for history, not navigation
USGS historical 15-minute topo (1901)
Amity, PA
Old map for history, not navigation
USGS historical 15-minute topo (1904)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-29 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-36 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-32 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).