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SAN MIGUEL CREEK. San Miguel Creek, formed by the confluence of San Francisco Perez and Chacon creeks, rises near Ghost Hill at the Frio-Medina county line south of the Missouri Pacific Railroad in eastern Frio County (at 29°05' N, 98°56' W) and flows south and east for sixty-six miles, through southwestern Atascosa and northern McMullen counties, to its mouth on Choke Canyon Reservoir in northeastern McMullen County (at 28°31' N, 98°25' W). The creek flows through flat terrain with local shallow depressions, surfaced by clay and sandy loam that supports water-tolerant hardwoods, conifers, and grasses.

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Handbook of Texas Online, "San Miguel Creek," accessed January 18, 2018,

Uploaded on June 15, 2010. Published by the Texas State Historical Association.