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1986 Map of Sulphur Pond

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

USGS Topo · Published 1986

About this map

Mono Lake dominates the southwestern corner of this 1980s topographical study, its expansive waters meeting a landscape of vast sand flats and desert features. The terrain transition between Mono Valley and the broader Mono Basin is clearly defined, showing the geological character of this arid region. The presence of Sulphur Pond and multiple Spring sites, including Warm Springs, highlights the critical water sources scattered across the dry valley floor.

Logistical and industrial history is represented by the Old Railroad Grade which traverses the basin, serving as a reminder of former transport corridors in this remote area of Mono County. Near the basin floor, a solitary Prospect label indicates localized mineral exploration. This provisional survey, compiled from 1982 aerial photography, captures the shoreline and desert topography before further modern changes to the lake levels and surrounding basin environment.