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1967 Map of Diamond Swamp, 1981 Print
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1967 Map of Diamond Swamp

USGS Topo · Published 1981

About this map

The Malheur National Wildlife Refuge dominates this volcanic and marshland landscape in Blitzen Valley, where the Donner und Blitzen River feeds a complex network of man-made irrigation. An extensive system of waterways, including the Skunk Canal, Diamond Canal, and South Lane Canal, reveals the engineered effort to manage water within the Diamond Swamp. This intersection of arid geology and managed wetlands is most striking at the border of the Lava flows and the Diamond Craters, which rise sharply above the saturated lowlands.

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Map Details

Date Portrayed1967
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1967 Diamond Swamp Map

Historical Maps of Harney County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain