| 000 | 00499nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1961 xx 000 0 und d | ||
| 082 | _aSWE 627.54 U-4D | ||
| 100 | _aU.S. Department of Agriculture. Soil Conservation Service | ||
| 245 | 0 | _aDrainage: National Engineering Handhook | |
| 260 |
_aWashington, D.C. _bSoil Conservation Service _c1961 |
||
| 440 | _aSoil Conservation Service, Section 16 | ||
| 650 | _aDRAINAGE | ||
| 653 | _aDRAINAGE | ||
| 653 | _aSOIL CONSERVATION | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c136288 _d136288 |
||