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1972 Map of Lambert Rocks, 1975 Print
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1972 Map of Lambert Rocks

USGS Topo · Published 1975

About this map

The Owyhee River cuts a deep canyon through this high desert terrain in Malheur County, dominated by the volcanic geology of the Lambert Rocks and extensive Lava flows. In the early 1970s, this landscape was defined by remote ranching infrastructure and water management, evidenced by Bogus Ranch and a network of livestock-related sites like Red Line Reservoir and White Wash Reservoir. The river's path is marked by several Rapids and Falls, illustrating the difficult passage through the Chalk Basin and Bogus Basin. Transportation in this era relied on an extensive network of Trail and Jeep Trail routes, providing access to landmarks like the Bogus Creek Landing Strip and the high vantage points of the Bogus Rim. This map captures a moment when the rugged interior of eastern Oregon remained a sparsely populated region of volcanic plateaus and managed range land.

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Map Details

Date Portrayed1972
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1972 Lambert Rocks Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Malheur County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain