ARROYO DIABLO. Arroyo Diablo, a canyon through which an intermittent stream runs, begins seven miles northwest of Small in southwestern Hudspeth County (at 31°22' N, 105°36' W) and runs southwest for twenty-five miles to its mouth on the Rio Grande, two miles southwest of McNary (at 31°14' N, 105°49' W). The stream has been dammed to form Diablo Reservoirs 1 and 2 for irrigation. It crosses flat to rolling terrain surfaced by sand and some clay loams that support scattered oak mottes, scrub brush, cacti, and grasses.
The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article."ARROYO DIABLO," Handbook of Texas Online (http://www.tshaonline.org/handbook/online/articles/rba92), accessed May 19, 2013. Published by the Texas State Historical Association.