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1991 Map of North Knoll Spring

Name: 1991 Topographic Map of North Knoll Spring
Creator: U.S. Geological Survey
Published: 1991
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1991

About this map

Snake Valley dominates the western portion of this terrain, showing the characteristic broad, low-elevation basins of Millard County. The landscape is defined by the transition from the valley floor up to the eastern heights of Plympton Ridge, where the topography steepens significantly. Arid-land infrastructure is scattered throughout, including a Corral, several marked Water Tanks, and a Guzzler, pointing to the importance of water management for livestock in this desert environment.

Surface drainage is marked by features like Browns Wash and the deeply incised Red Gulch, which cut toward the valley from the higher Bench and Rattlesnake areas. Human activity in this remote sector is evidenced by a Gravel Pit near the southern boundary and a network of 4wd trails that navigate the shifting elevations. This 1991 provisional edition captures the region's essential character as a place of vast open space and localized water sources like North Knoll Spring.