000 | 00358 a2200121 4500 | ||
---|---|---|---|
245 | 1 | _aLand capability for soil and water conservation in Oregon | |
260 |
_aCorvallis _c1953 |
||
100 | 1 |
_aHill, William W., Powers, W.L. _d |
|
300 | _a30 p. & 1 map | ||
440 |
_aNo. 530 _vOregon Agricultural Experiment Station Bulletin |
||
942 |
_2udc _cB |
||
901 | _a38264 | ||
999 |
_c56459 _d56459 |