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1948 Map of Grand Coulee Dam, 1978 Print
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1948 Map of Grand Coulee Dam

USGS Topo · Published 1978

About this map

Grand Coulee Dam dominates the landscape along the Columbia River, marking a pivotal era of industrial and hydroelectric development. This survey, based on 1946 aerial photography, captures the newly formed Franklin D Roosevelt Lake and its surrounding settlements including Elmer City, Grand Coulee, and Coulee Dam. Beyond the massive concrete structure and its associated Pumping Plant, the map reveals the older rural character of the region. To the south, the intricate network of the Bonneville Power Transmission Lines cuts across the plateau, while local landmarks like the Grand Coulee Grange and Lafollette Cem provide valuable touchpoints for genealogists. The geography is defined by deep draws such as Broadax Draw and Childers Draw, illustrating the complex terrain adjacent to the Colville Indian Reservation.

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Map Details

Date Portrayed1948
Date Published1978
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.1 x 21.9 inches

Editions of this 1948 Grand Coulee Dam Map

Historical Maps of Grand Coulee Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain