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1990 Map of Ninemile Slough
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1990 Map of Ninemile Slough

USGS Topo · Published 1990

About this map

Harney Valley is the focal point of this arid basin study in eastern Oregon, revealing a landscape defined by water management and drainage. The terrain is crisscrossed by an extensive network of human-made infrastructure designed to control seasonal runoff and support livestock, including numerous Check Dams and individual Check Dam installations. This intricate system of water control illustrates the challenges of ranching and land use in the high desert, where every drop of moisture is carefully directed.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1990 Ninemile Slough Map

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

Historical Maps of Harney County Through Time

409 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain