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1992 Map of Ochoco Reservoir, 1997 Print
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1992 Map of Ochoco Reservoir

USGS Topo · Published 1997

About this map

Ochoco Reservoir dominates this central Oregon landscape, serving as a primary water management feature where the high desert meets the southern slopes of the Ochoco Mountains. This 1992 field-checked survey illustrates the complex water system fed by Ochoco Creek, Mill Creek, and Johnson Creek, highlighting the vital role of the Ochoco Spillway in controlling the reservoir's levels. To the south, the expansive plateau of Combs Flat transitions into the drainage of Gravy Gulch, showing the contrast between the flat upland terrain and the dissected creek beds.

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Map Details

Date Portrayed1992
Date Published1997
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1992 Ochoco Reservoir Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain