Flag Marsh
Swamp in Sullivan County, Pennsylvania · on the USGS Lopez quadrangle
41.48119, -76.29133
Maps that show Flag Marsh
Get them in the map app
Lopez, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Laporte, PA
Old map for history, not navigation
USGS historical 15-minute topo (1934)
LaPorte, PA
Old map for history, not navigation
USGS historical 15-minute topo (1953)
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-33 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-34 (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).