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1987 Map of Last Chance Mtn.

Name: 1987 Topographic Map of Last Chance Mtn.
Creator: U.S. Geological Survey
Published: 1987
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1987

About this map

Last Chance Mountain anchors this high-altitude landscape where the Last Chance Range meets the Sylvania Mountains along the California-Nevada border. This 1980s survey details a desert environment defined by critical water sources and early mineral exploration. Essential springs such as Last Chance Spring, Cucumungo Spring, and Uncle Sam Spring are marked throughout the terrain, highlighting the survival points used by travelers and prospectors in this arid corridor.

Evidence of historical mining activity is scattered across the slopes, with numerous Mine and Prospects labels indicating the hunt for resources in rugged cuts like Cucumungo Canyon and White Cliff Canyon. A historical marker, State Boundary Monument 80, identifies the precise line between Inyo County and Nevada. The area's geography is further shaped by drainages including Willow Creek, Uncle Sam Creek, and Alum Creek, which descend toward the Eureka Valley.