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1989 Map of Unimak C-2
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1989 Map of Unimak C-2

USGS Topo · Published 1989

About this map

Fisher Caldera dominates the interior of Unimak Island, its massive depression serving as the centerpiece of this volcanic landscape. This 1989 provisional map documents a land shaped by dramatic geological activity, with the towering heights of Westdahl Peak and Eickelberg Peak punctuating the skyline. The coastline is defined by the sheltered waters of Dublin Bay and the narrow inlet at Promontory Cove, providing the only relief from the rugged Aleutian terrain. Much of this territory is preserved within the Aleutian Islands Wilderness and the Alaska Maritime National Wildlife Refuge, reflecting its status as a protected ecological zone. Drainage from the mountain peaks flows through the Pogromni River, illustrating the complex water patterns that define this subarctic environment in the late twentieth century.

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Map Details

Date Portrayed1989
Date Published1989
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.8 inches

Editions of this 1989 Unimak C-2 Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain