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2023 Map of Malheur Lake West

Name: 2023 Topographic Map of Malheur Lake West
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Voltage sits at the edge of a complex hydrographic landscape within the Malheur National Wildlife Refuge in Harney County. This 2023 survey illustrates the shifting boundaries of Malheur Lake, where intermittent water and wetlands dominate the terrain. The presence of named springs like Sodhouse Spring and Indian Spring highlights the critical water sources that sustain this arid basin environment.

Elevated landforms such as Graves Island and Cole Island rise above the surrounding marshes, indicating the historic fluctuations of the lake level. The Blitzen Valley provides a distinct geographic corridor into the refuge, which remains a vital conservation area. This map documents the intersection of public land management and the natural hydrology of the high desert, offering researchers a contemporary look at the topography of the Harney Basin.