Grass Rock
Island in Prince of Wales-Hyder (CA) County, Alaska · on the USGS Ketchikan A-5 SW quadrangle
55.02361, -131.53194
Maps that show Grass Rock
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Ketchikan A-5 SW, AK
Detailed map of terrain, trails and roads
USGS topo, 2021
Prince Rupert D-5
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Ketchikan A-5
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Tongass National Forest
Forest Service forest map
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).