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1990 Map of Idaho Canyon Spring

Name: 1990 Topographic Map of Idaho Canyon Spring
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

The Black Rock Range dominates this corner of Humboldt County, defining a landscape of high-elevation springs and deep canyons north of Summit Lake. This 1990 provisional edition, based on earlier surveys and 1980s aerial photography, highlights a region dedicated to conservation and seasonal livestock movement. Large tracts of the Sheldon National Wildlife Refuge and the Lahontan Cutthroat Trout State Natural Area suggest the environmental importance of the local watershed, where Pole Creek and Craine Creek flow through the arid terrain.

Evidence of human activity is primarily linked to ranching and resource exploration, as seen in the numerous prospects scattered near Craine Spring. The map preserves historical land divisions with the Old Military Reservation Boundary and marks seasonal outposts such as Stanley Camp and Summer Camp. A high density of water sources, including Santa Claus Spring, Parman Spring, and McCully Spring, underscores the critical nature of water in this high-desert environment.