000 | 00311 am a2200121 a 4500 | ||
---|---|---|---|
100 | 1 | _aMetcalfe, T.P., Scott, G.A. | |
245 | 1 | _aPit silos | |
260 |
_aWashington _c1917 |
||
300 | _a1-8 p. | ||
942 |
_2udc _cB |
||
440 | _aUnited States Department of Agriculture. Farmers Bulletin No. 825 | ||
901 | _aS48628 | ||
999 |
_c104792 _d104792 |