PACKSADDLE MOUNTAIN (BREWSTER COUNTY)
PACKSADDLE MOUNTAIN (Brewster County). Packsaddle Mountain is fourteen miles northeast of Terlingua in southwestern Brewster County (at 29°31' N, 103°34' W). Its summit, at an elevation of 4,656 feet above sea level, rises some 1,180 feet above State Highway 118, just to the east. The mountain consists of inclined light-colored beds from the Cretaceous period, between 66 million and 144 million years old, surrounding a dark-colored core of intrusive igneous rock. The local soils are shallow and stony and support scrub brush and grasses.
The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article."PACKSADDLE MOUNTAIN (BREWSTER COUNTY)," Handbook of Texas Online (http://www.tshaonline.org/handbook/online/articles/rjp01), accessed December 11, 2013. Published by the Texas State Historical Association.