TY  - BOOK
ED  - United States.
TI  - Keys to soil taxonomy
SN  - 812041330x
U1  - 631.44 22
PY  - 1998///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture, Natural Resources Conservation Service
KW  - Soils
KW  - Classification
N1  - Includes bibliographical references (p. 36) and index
ER  -