TY  - BOOK
AU  - Beasley, R.P.
TI  - Erosion and sediment pollution control
U1  - 631.45 B36E 
PY  - 1972///
CY  - Ames,U.S.
PB  - Iowa State Univ.
KW  - SOIL CONSERVATION
KW  - EROSION
ER  -