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1979 Map of Bonneville Dam
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1979 Map of Bonneville Dam

USGS Topo · Published 1979

About this map

Bonneville Dam anchors this landscape where the Columbia River separates Washington and Oregon. During this period in the late 1970s, the map documents significant infrastructure including a powerhouse under construction and extensive fish ladders at Bradford Island. The settlement of North Bonneville sits at the river’s edge, adjacent to the Burlington Northern railroad line that follows the northern bank. Across the water, Cascade Locks serves as a hub for river transit and aviation via the Cascade Locks Airport.

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Map Details

Date Portrayed1979
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1979 Bonneville Dam 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