Halfmoon Swamp
Swamp in Mercer County, Pennsylvania · on the USGS Jackson Center quadrangle
41.36478, -80.22062
Maps that show Halfmoon Swamp
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Jackson Center, PA
Detailed map of terrain, trails and roads
USGS topo, 2023

Stoneboro, PA
Old map for history, not navigation
USGS historical 15-minute topo (1911)

Stoneboro, PA
Old map for history, not navigation
USGS historical 15-minute topo (1913)

Stoneboro, PA
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-30 (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).