Arroyo Blanco begins four miles southeast of Farm Road 3169 in west central Zapata County (at 27°06' N, 99°13' W) and runs southwest for three miles to its mouth on Cavasara Creek, three miles southeast of FM 3169 and nine miles northeast of Ramireño in west Zapata County (at 27°05' N, 99°16' W). The arroyo extends through low-rolling hills and prairies surfaced by sandy loams and clay loams that support scrub brush, grasses, and chaparral. The stream is dammed at its middle course.
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The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this entry.
Anonymous, “Arroyo Blanco [#2] (Zapata County),” Handbook of Texas Online, accessed November 25, 2020, https://www.tshaonline.org/handbook/entries/arroyo-blanco-2-zapata-county.
Published by the Texas State Historical Association.