TY  - BOOK
T1  - Erosion condition classification system /
DA  - 1980.
CY  - Denver :
AU  - Clark, Ronnie D.
CN  - S624.A1
CN  - S624.A1
PB  - Bureau of Land Management, U.S. Dept. of the Interior,
PP  - Denver :
PY  - 1980.
ID  - 33286
KW  - Soil erosion
TI  - Erosion condition classification system /
ER  -