Mitchell, Wayburn D. books & textbook
Soil Survey of Swisher County, Texas
Mitchell, Wayburn D.; Jacquot, Louis L.; Chance, Billy R.
U.S. Department of Agriculture /1974T Paperback
Soil Survey of Coleman County, Texas
Botts, O.L.; Bailey, Buford; Mitchell, Wayburn D.
U.S. Department of Agriculture /1974T Paperback
