Clark Island
Island in Forest County, Pennsylvania · on the USGS Mayburg quadrangle
41.59420, -79.21076
Maps that show Clark Island
Get them in the map app
Mayburg, PA
Detailed map of terrain, trails and roads
USGS topo, 2023

Mayburg
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad

Sheffield, PA
Old map for history, not navigation
USGS historical 15-minute topo (1935)

Sheffield, PA
Old map for history, not navigation
USGS historical 15-minute topo (1941)

Allegheny National Forest
Forest Service forest map

ANF Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Allegheny National Forest

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).