
Unimak Island dominates this 2021 topographic study, situated within the Aleutians East Borough of Alaska. The terrain is defined by extreme elevation changes, with steep ridges rising from the southeastern coastline toward the interior heights of the island. The Pacific Ocean meets the shore along the southeastern corner of the quadrangle, where the land falls away from the high volcanic slopes. This map provides a technical view of the Public Land Survey System divisions, including t64s r101w and t65s r101w, which mark the remote and largely uninhabited expanse. The intricate contour lines trace the complex drainage patterns and sharp ravines that characterize this portion of the Aleutian chain.
6 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Unimak
USGS Topo · 1:250,000
1958 · Unimak
USGS Topo · 1:250,000
1958 · Unimak B-2 NE
USGS Topo · 1:25,000
1989 · Unimak C-1
USGS Topo · 1:63,360
1989 · Unimak B-2
USGS Topo · 1:63,360
1989 · Unimak C-2
USGS Topo · 1:63,360
2020 · Unimak B-2 NW
USGS Topo · 1:25,000
2020 · Unimak B-2 OE E NW
USGS Topo · 1:25,000
2021 · Unimak C-2 NW
USGS Topo · 1:25,000
2021 · Unimak B-2 NE
USGS Topo · 1:25,000