POTRANCA CREEK. Potranca (Potrance, Petranco) Creek rises two miles east of Riomedina in eastern Medina County (at 29°26' N, 98°50' W) and runs southeast for ten miles to its mouth on the Medina River, two miles northwest of Macdona in southwestern Bexar County (at 29°21' N, 98°43' W). It traverses rolling terrain surfaced by clay loam that supports mesquite and grasses.
The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article."POTRANCA CREEK," Handbook of Texas Online (http://www.tshaonline.org/handbook/online/articles/rbpby), accessed May 19, 2013. Published by the Texas State Historical Association.