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1962 Map of Blalock Island, 1963 Print
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1962 Map of Blalock Island

USGS Topo · Published 1963

About this map

Columbia River geography defines this 1962 landscape along the Washington and Oregon border, where the river splits into the North Channel and South Channel to encompass the substantial Blalock Island. The terrain is marked by the prominent elevations of Paterson Ridge and Canoe Ridge, which parallel the water. Transportation and infrastructure are centered on the river's edge, notably featuring the Portland Seattle and Spokane rail line and a prominent Pipeline cutting across the desert upland.

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Map Details

Date Portrayed1962
Date Published1963
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1962 Blalock Island Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain