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1971 Map of Stillwell Crossing

Name: 1971 Topographic Map of Stillwell Crossing
Creator: U.S. Geological Survey
Published: 1974
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1974

About this map

Rio Grande waters define the international border in this 1970s survey, winding past the dramatic terrain of the Sierra Larga. The map highlights a remote stretch of West Texas where the Black Gap Wildlife Management Area meets the northern boundary of Big Bend National Park. Human presence in this arid landscape is sparse, marked by the Adams Ranch and small industrial sites like a Gravel Pit and Quarry.

Infrastructure is limited to essential crossings and remote access points. The Gerstacker Bridge and the Stillwell Crossing ford provide the primary connections between Texas and Mexico. A Landing Strip near the river suggests the importance of aerial access in this isolated territory, while numerous drainages such as Brushy Draw and Heath Canyon reveal the complex topography shaped by seasonal runoff.