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1990 Map of Northeast Harney Lake

Name: 1990 Topographic Map of Northeast Harney Lake
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Harney Lake and its ephemeral shoreline dominate the southern reach of this landscape, where the Malheur National Wildlife Refuge encompasses a complex desert hydrology. The map illustrates a shifting terrain of Dunes and Sand deposits that stretch between the permanent waters and seasonal basins like Dry Lake and Mud Lake. To the north, the elevation rises sharply toward Dog Mountain, providing a stark contrast to the low-lying alkali flats of Sunset Valley.

Evidence of local resource use is minimal in this protected corridor, though a Cinder Pit is noted near the center of the sheet. The presence of multiple Springs underscores the importance of water sources in the high desert, while the intricate contouring reveals the subtle relief of the ancient lake bed. This document captures the intersection of the basin's geological past with the established boundaries of federal conservation areas.