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1980 Map of Iron Mtn. Flat
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1980 Map of Iron Mtn. Flat

USGS Topo · Published 1980

About this map

Iron Mountain rises as the dominant landmark in this high desert landscape of central Oregon, surveyed during the early 1970s. The map reveals an arid environment defined by seasonal water sources and expansive dry basins like Silver Lake and the vast Alkali Flat. Human activity in the region is marked primarily by sparse ranching infrastructure and land management, with numerous cattle-related water points such as Lakebed Waterhole and Dead Bull Waterhole scattered across the sagebrush-covered flats. The northeastern corner contains a portion of the Malheur Nat Wildlife Refuge, indicating the area's significance for migratory birds and conservation. A network of primitive transit routes, including the Stick Road and various jeep trails, provides access to isolated features like Hughet Lake and Glenns Hole, reflecting the remote and utilitarian nature of the Harney County interior during this era.

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Map Details

Date Portrayed1980
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1980 Iron Mtn. Flat 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