| 000 | 00331 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aOlin, W.H. | |
| 245 | 1 | _aThorough tillage system for the plains of Colorado | |
| 260 |
_aFort Collins _c1905 |
||
| 300 | _a1-31 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aColorado Agricultural Experiment Station. Bulletin No. 103 | ||
| 901 | _aS47058 | ||
| 999 |
_c102863 _d102863 |
||