Portia Bay
Lake in Lawrence County, Arkansas · on the USGS Black Rock quadrangle
36.08121, -91.08485
Maps that show Portia Bay
Get them in the map app
Black Rock, AR
Detailed map of terrain, trails and roads
USGS topo, 2024
Powhatan, AR
Old map for history, not navigation
USGS historical 15-minute topo (1934)
Powhatan, AR
Old map for history, not navigation
USGS historical 15-minute topo (1935)
National Heritage Areas - NPS-wide
National Park Service Maps · NPS-wide
Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps · National Underground Railroad Network to Freedom Program
U.S. Fish and Wildlife Service Alligator Snapping Turtle Range (2024)
Fish & Wildlife Service Refuge Maps
Continental Glaciation Map - Tule Springs Fossil Beds National Monument
National Park Service Maps · Tule Springs Fossil Beds National Monument
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-16 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-06 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).