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2021 Map of Gilmer Ranch

Name: 2021 Topographic Map of Gilmer Ranch
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

O'Neil Basin occupies the heart of this high-desert landscape in Elko County, where the drainages of the S Fork Salmon Falls Cr and Cottonwood Cr converge. The topography is defined by complex creek systems and dramatic features like Choke-A-Man Draw in the northeast. This area represents a classic Great Basin ranching environment, structured by the early road network of the O'Neil-Deeth Co Rd and O'Neil Basin Rd.

Hydrography is the primary indicator of land use here, with reliable water sources such as Cold Spring and Mud Spring marking essential points for livestock and wildlife. To the south, the terrain fragments into the headwaters of the Deer Creek system, including the W Fork Deer Cr, Middle Fork Deer Cr, and E Fork Deer Cr. These seasonal watercourses and basins reveal the historical reliance on natural springs and creek-fed valleys for grazing and transit through this portion of northeastern Nevada.