| 000 | 00346 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aWorthington, Robert E. | |
| 245 | 1 | _aCosts of tractor logging in southern pine | |
| 260 |
_aWashington _c1939 |
||
| 300 | _a1-64 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aPine United States Department of Agriculture. Technical Bulletin No. 700 | ||
| 901 | _aS50135 | ||
| 999 |
_c107009 _d107009 |
||