2021 Map of Upper Powder Spring

About this map

Upper Powder Spring and Lower Powder Spring anchor this high-desert landscape in southwestern Wyoming, where the water management of the rangeland is a central theme. The terrain is defined by the sharp elevations of Skull Creek Rim and Powder Rim, which dictate the flow of seasonal drainages like N Fork Powder Wash. This 2021 survey illustrates a sophisticated network of catchments and reservoirs essential for livestock, including Adobe Draw Reservoir and Agropyron Reservoir. The historical movement of cattle is preserved in the path of the Shell Creek Stock Trl, which winds through the northern sections of the map. While the names Miserable Reservoir and Washout Reservoir hint at the challenging conditions of the local environment, the abundance of named sites like Hawk Nest Reservoir and Long Ridge Reservoir reflects a deeply surveyed and managed territory within Sweetwater County.