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2021 Map of Antelope Wash

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

USGS Topo · Published 2021

About this map

The high desert settlement of Washam sits near the southern boundary of this Sweetwater County landscape, where water management defines the human footprint. The arid terrain is marked by a network of essential water sources, including Middle Reservoir, Briggs Reservoir, and Silt Reservoir, reflecting the necessity of irrigation and livestock watering in this corner of Wyoming. These man-made features contrast with natural drainages like Lane Meadow Cr and Little Dry Cr, which feed toward the prominent Henrys Fork valley.

Broad geological depressions such as Big Hollow and Logan Hollow shape the local topography, creating distinct catchment areas for seasonal runoff. Modern access is provided by County Road 13 and County Road 4-13, which connect the scattered springs like Richardson Spring and Antelope Spring to the wider region. This survey captures a moment in the 21st century where traditional land use and water conservation continue to dictate the settlement patterns of the high plains.