| 000 | 00328 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aYarnell, D.L. | |
| 245 | 1 | _aPile trestles as channel obstructions | |
| 260 |
_aWashington _c1934 |
||
| 300 | _a1-26 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aUnited States Department of Agriculture. Technical Bulletin No. 429 | ||
| 901 | _aS50028 | ||
| 999 |
_c106809 _d106809 |
||