WILLOUGHBY CREEK. Willoughby Creek (Branch), rises two miles north of Mullin in northern Mills County (at 31°36' N, 98°40' W) and runs six miles southwest to its mouth on Pompey Creek, four miles southwest of Mullin (at 31°33' N, 98°44' W). The surrounding steep slopes, with an elevation of 1,300 to 1,400 feet above sea level, are surfaced by shallow, sandy soil that supports juniper, scattered oak, and grasses.
The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article."WILLOUGHBY CREEK," Handbook of Texas Online (http://www.tshaonline.org/handbook/online/articles/rbwaj), accessed May 30, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.