000 | nam a22 4500 | ||
---|---|---|---|
245 | _aDrainage of agricultural land : a practical handbook for the planning, design, construction, and maintanance of agricultural drainage system | ||
260 |
_aNew York _bWater infor mation center. _cc1973 |
||
710 | _aUnited States Department of Agriculture | ||
942 | _c22 | ||
999 |
_c5337 _d5337 |