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1993 Map of Ordnance
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1993 Map of Ordnance

USGS Topo · Published 1993

About this map

Umatilla Depot Activity dominates the central landscape of this Eastern Oregon survey, defined by its massive grid of storage structures and supporting infrastructure. This military installation, located near the Ordnance settlement, reflects the specialized logistical role the region played throughout the mid-to-late 20th century. The terrain is marked by the distinct Coyote Coulee and organized by an extensive network of water management, including the Irrigon Canal and the Lost Lake Canal which draw from the nearby Columbia River system to support agricultural development in an otherwise arid landscape.

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Map Details

Date Portrayed1993
Date Published1993
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1993 Ordnance Map

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

Historical Maps of Umatilla County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain