AU  - U S Department of Agriculture,.
TI  - Soils Taxonomy; A Basic system of soil classification for making and interpreting soil surveys / 
U1  - 631.4 
PY  - 1978///
CY  - U S D A : 
PB  - U S Department of Agriculture , 
KW  - Soil Conservation
KW  - Soil Taxonomy
ER  -