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2010 Map of Ramsey Canyon

Name: 2010 Topographic Map of Ramsey Canyon
Creator: U.S. Geological Survey
Published: 2010
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2010

About this map

The Rio Grande serves as the international boundary between the United States and Mexico in this high-desert reach of the borderlands. Multiple historic crossings, including Cave Crossing, Rock Crossing, and Soldado Crossing, are charted along the river's winding path as it enters the upper reaches of the Amistad Reservoir. These transit points underscore the area's history of movement across the river before modern water management altered the flow.

Remote landholdings like Fisher Ranch, Hamilton Ranch, Davis Ranch, and Babb Ranch anchor the landscape, connected by the lone thread of Foster Ranch Rd. The terrain is defined by deep cuts into the limestone plateau, most notably Ramsey Canyon, Osman Canyon, and the appropriately named Rattlesnake Canyon. This survey captures a moment in 2010 when the isolation of these border ranches remained largely intact despite the encroaching reservoir waters.