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1986 Map of Negit Island

Name: 1986 Topographic Map of Negit Island
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

Negit Island and Paoha Island rise from the waters of Mono Lake in this mid-1980s provisional study of the Mono Basin. The map details a landscape defined by volcanic landforms and industrial extraction, most notably at Black Point along the northern shore. The terrain is marked by numerous mineral exploratory efforts, with several labeled Prospects, a Mine Shaft, and a Prospect Mine Shaft scattered through the high ground of Rancheria Gulch and Bridgeport Canyon.

Water sources are vital markers in this arid environment, ranging from the geothermal Hot Spring near the lake's edge to isolated mountain outlets like Coyote Spring and Waford Spring. The presence of these springs and the drainage of Wilson Creek contrast with the large-scale excavations shown at the Open Pit Mine and various gravel pits, illustrating the intersection of natural hydrology and human resource development in Mono County.