TY  - BOOK
ED  - United States. Bureau of Plant Industry, Soils and Agricultural Engineering
TI  - Soil Survey Manual
T2  - U. S. Dept. Agriculture Handbook
AV  - S590 
PY  - 1951///
CY  - Washington, D. C.
PB  - Agricultural Research Administration, United States Department of Agriculture
KW  - Soil
N1  - Includes bibliographical references and an index
ER  -