PINOAK CREEK (HILL COUNTY)
PINOAK CREEK (Hill County). Pinoak (Pin Oak) Creek rises just south of Hubbard in southeastern Hill County (at 31°51' N, 96°48' W) and runs northeast for thirty-three miles to its mouth on Richland Creek, five miles northwest of Richland in northern Navarro County (at 31°58' N, 96°29' W). The stream enters Limestone County ten miles northwest of Coolidge and parallels the Limestone-Navarro county boundary. It crosses generally flat terrain, surfaced by clay and sandy loams that support water-tolerant hardwood trees, conifers, and grasses. Among Pinoak Creek's tributaries are Northeast Pinoak Creek, Alligator Creek, and Bourd Creek.