TY  - BOOK
AU  - Ruhe,Robert V.
AU  - Daniels,Raymond Bryant
AU  - Cady,John G.
ED  - United States.
TI  - Landscape evolution and soil formation in southwestern Iowa
AV  - S21 .A72 no. 1349
U1  - 631.4/7/7777 
PY  - 1967///
CY  - Washington
PB  - U.S. Dept. of Agriculture
KW  - Soil formation
KW  - Iowa
KW  - Geomorphology
KW  - Soils
N1  - Bibliography: p. 225-231
ER  -