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1972 Map of Rough Canyon SE

Name: 1972 Topographic Map of Rough Canyon SE
Creator: U.S. Geological Survey
Published: 1975
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1975

About this map

Amistad Res National Recreation Area occupies the southwestern corner of this 1970s survey, marking a period of transition for the Texas landscape as federal water management and recreation infrastructure took hold. The map illustrates a deeply dissected terrain defined by the winding drainages of San Pedro Creek and its North Fork San Pedro Creek, alongside the West Fork Sycamore Creek to the east.

Evidence of historical transit is etched into the landscape via an Old Railroad Grade that winds through the central and eastern sections, suggesting a corridor of older commerce now superseded by modern routes like Recreational Road No 2. This specific 1972 field-check captures the region's character just as the reservoir's influence was beginning to reshape the local geography for park visitors and conservation efforts.