Porter Lake
Reservoir in Muskingum County, Ohio · on the USGS Gratiot quadrangle
39.96036, -82.18130
Maps that show Porter Lake
Get them in the map app
Gratiot, OH
Detailed map of terrain, trails and roads
USGS topo, 2023
Zanesville, OH
Old map for history, not navigation
USGS historical 15-minute topo (1910)
Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps · National Underground Railroad Network to Freedom Program
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 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).