000 | 00317cam a2200121ua 4500 | ||
---|---|---|---|
008 | 090428t||||||||||| 00 ||eng c | ||
041 | 0 | _aeng | |
100 | 0 | _aTroch, Frederick R | |
245 | 1 | 0 | _aSoil and water conservation for productivity and Environmental protection / |
260 | _c. | ||
362 | 1 | _a. | |
942 | _c Dept. of ES | ||
999 |
_c20738 _d20738 |