Round Rock
Island in Hoonah-Angoon (CA) County, Alaska · on the USGS Sumdum B-6 SW quadrangle
57.26000, -133.93500
Maps that show Round Rock
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Sumdum B-6 SW, AK
Detailed map of terrain, trails and roads
USGS topo, 2024

Sumdum A-6
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad

Sumdum B-6
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-02 (Alaska)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).