Armstrong Creek (Cass County)
Armstrong Creek rises 5½ miles east of Douglassville in northeastern Cass County (at 33°12' N, 94°15' W) and runs northwest for two miles to its mouth on Wright Patman Lake (at 33°13' N, 94°16' W). The soils over which it flows are sandy and loamy, and the gently rolling to hilly area around the creek is heavily wooded, with pines and various hardwoods predominating.