TY  - BOOK
CN  - S21
CN  - S21
CY  - Washington, D.C. :
DA  - 1938.
ID  - 108525
KW  - Soils.
KW  - Soils
KW  - Soil conservation
KW  - Plant-soil relationships.
KW  - Soil erosion
N1  - Fold. map of Soil associations of the United States attached to inside back cover.
N1  - 75th Congress, 2d session. House document no. 398.
N1  - Includes index.
PB  - U.S. Dept. of Agriculture :
PB  - for sale by U.S. G.P.O.,
PP  - Washington, D.C. :
PY  - 1938.
T1  - Soils & men.
TI  - Soils & men.
VL  - 1938
ER  -