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1969 Map of Pine Grove Ridge

Name: 1969 Topographic Map of Pine Grove Ridge
Creator: U.S. Geological Survey
Published: 1979
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1979

About this map

Bridger National Forest defines the topography of this corner of Wyoming, dominated by a series of parallel high-altitude ridges and complex drainage systems. The survey reveals a landscape shaped by natural drainage, where Riley Creek and Beaver Creek cut through prominent features like Riley Ridge and Lake Ridge. Evidence of resource exploration is scattered throughout the area in the form of multiple Drill Holes, suggesting mineral or geological surveying activity during the late 1960s.

The southern portion of the quadrangle is anchored by the extensive Pine Grove Ridge and the Pine Grove Reservoir. A network of primary and secondary watercourses, including Sawmill Creek, Middle Sawmill Creek, and South Sawmill Creek, flow eastward toward the Green River basin. High points like Bald Knoll on Deadline Ridge provide significant landmarks for navigating this transition between forested uplands and the draw-scarred basins to the east.