TY  - GEN
AU  - Soil Survey Staff
TI  - Keys to soil taxonomy
SN  - 9781782662112
U1  - 631.44 
PY  - 1999///
CY  - United States 
PB  - Dept. of Agriculture
KW  - Soil science
KW  - Soil taxonomy
KW  - Soils
ER  -