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1970 Map of Pahroc Summit Pass

Name: 1970 Topographic Map of Pahroc Summit Pass
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Pahroc Summit Pass serves as the primary gateway through the high terrain of southeastern Nevada, providing a critical transit point between the expansive Pahroc Valley and Delamar Valley. This 1970 survey, based on aerial photography from the late 1960s, documents a landscape shaped by water management and basic industrial exploration. Small reservoirs like White Sage Res and Knoll Pond Res are scattered across the valley floors, highlighting the infrastructure necessary for life and ranching in this arid basin.

The presence of a Drill Hole and a Water Tank near the western slopes of the Pahroc Range suggests a history of resource assessment and mineral prospecting. Further south, the map identifies MacKay Res at the base of the mountains, illustrating how the natural topography was utilized to capture seasonal runoff. This record is particularly valuable for researchers interested in the evolution of range management and the specific location of family-named landmarks in Lincoln County.