| 000 | 00325 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aYarnell, D.L. | |
| 245 | 1 | _aTitle trenching machinery | |
| 260 |
_aWashington _c1920 |
||
| 300 | _a1-15 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aMachinery United States Department of Agriculture. Farmers Bulletin No. 1131 | ||
| 901 | _aS48900 | ||
| 999 |
_c105060 _d105060 |
||