You searched for: Place Mark Twain National Forest, ca. 7.6 mi west of Rolla. At the rest stop area on the north side of 1-44,1.45 mi w of Phelps Co. Rd. T. Remove constraint Place: Mark Twain National Forest, ca. 7.6 mi west of Rolla. At the rest stop area on the north side of 1-44,1.45 mi w of Phelps Co. Rd. T.