The clays of Arkansas,
by John C. Branner.
- Washington, Govt. print. off., 1908.
- 247 p. illus., fold. map (in pocket) diagrs. 24 cm.
- U. S. Geological survey. Bulletin 351 .
- Geological Survey (U.S.). Bulletin ; 351. .
Issued also as House doc. no. 1015, 60th Cong., 2d sess.