Ethel Springs Lake
Reservoir in Westmoreland County, Pennsylvania · on the USGS Derry quadrangle
40.33683, -79.31001
Maps that show Ethel Springs Lake
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Derry, PA
Detailed map of terrain, trails and roads
USGS topo, 2023

Latrobe, PA
Old map for history, not navigation
USGS historical 15-minute topo (1900)

Latrobe, PA
Old map for history, not navigation
USGS historical 15-minute topo (1902)

Latrobe, PA
Old map for history, not navigation
USGS historical 15-minute topo (1903)

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-30 (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
Name, class, county and location: USGS Geographic Names Information System (public domain).