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1979 Map of Clark Waterhole

Name: 1979 Topographic Map of Clark Waterhole
Creator: U.S. Geological Survey
Published: 1979
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1979

About this map

The Devils River corridor in Val Verde County is defined by its canyon systems and critical water sources in an arid landscape. In this late 1970s survey, the area is characterized by remote settlements and specific named water points like Clark Waterhole, Blocker Waterhole, and Gravel Waterhole. Human presence is marked by scattered livestock and ranching infrastructure, including the isolated Carlos Camp and a small Newman Cem located near Gravel Waterhole.

A network of jeep trails and several small landing strips provide the only access across the dissected plateaus and deep drainage basins like Toliver Basin Canyon and Sycamore Canyon. The terrain transitions from high points like Turkey Bluff down to the main river channel, with Red Bluff Creek and Gold Mine Canyon cutting through the limestone strata. This map documents the essential landmarks of a semi-arid ranching economy, where named springs like Grass Patch Springs and Glean Spring were the vital hubs of local activity.