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1951 Map of Icy Bay D-2 and D-3
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1951 Map of Icy Bay D-2 and D-3

USGS Topo · Published 1951

About this map

Icy Cape and the coastal interface of Mud Bay anchor this 1951 survey of the Alaskan coastline where the Robinson Mountains meet the Gulf of Alaska. The map documents a dynamic glacial environment, specifically around the expansive Icy Bay and Riou Bay, where landforms like Moraine Reef and Isle Moraine Island suggest the movement of ice and sediment. Hydrographic data from USC&GS charts and 1948 aerial photography detail a complex drainage system including the Big River, Priest River, and Crystal Creek, which fan out into braided deltas before reaching the sea. Small signs of human presence are noted by scattered cabin locations and established survey markers at North Base and South Base, providing rare fixed points in this shifting wilderness of the Alaska-Third Judicial Division.

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Map Details

Date Portrayed1951
Date Published1951
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions19.06 x 20.77 inches

Editions of this 1951 Icy Bay D-2 and D-3 Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain