JACK CREEK. Jack Creek rises just south of Clawson and four miles northwest of Lufkin in northwestern Angelina County (at 31°24' N, 94°47' W) and runs south for sixteen miles to its mouth on Long Slough (at 31°13' N, 94°51' W). It traverses a flat to moderately rolling landscape with loamy to sandy surface soils and reddish mottled clayey or loamy subsoils. Local vegetation consists predominantly of pine and hardwood forests, mesquite trees, and, where trees have been cut, grasslands.