"Soil Survey, Tama County, Iowa''. Made by A. R. Aandahl, U. S. Department of Agriculture and Roy W. Simonson, Iowa Agricultural Experiment Station. Brown cover with the red stamp on it of "From the Office of Senator Hickenlooper, Iowa'. Series 1938, No. 22, issued February, 1950. 109 pp; map glued in the back cover. Color: BR