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1908 Map of Blalock Island
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1908 Map of Blalock Island

USGS Topo · Published 1908

About this map

The Columbia River serves as the dominant axis for this early 20th-century landscape, separating the high plateaus of Oregon from the ridges of Washington. At its center lies Blalock Island, flanked by the navigational challenge of Canoe Encampment Rapids. The northern bank is defined by the Portland and Seattle Ry following the base of Paterson Ridge, while the southern shore carries the Oregon Railroad and Navigation Company.

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Map Details

Date Portrayed1908
Date Published1908
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:125,000
Physical Dimensions16 x 19.9 inches

Editions of this 1908 Blalock Island Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain