Great Works Pond
Reservoir in Washington County, Maine · on the USGS Porcupine Mountain quadrangle
44.87807, -67.27671
Maps that show Great Works Pond
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Porcupine Mountain, ME
Detailed map of terrain, trails and roads
USGS topo, 2024
Gardner Lake, ME
Old map for history, not navigation
USGS historical 15-minute topo (1941)
Gardner Lake, ME
Old map for history, not navigation
USGS historical 15-minute topo (1943)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).