| 000 | 00364 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aHoffman, M.H., Turner, A.W., Sunderlin, H.H. | |
| 245 | 1 |
_aPrevention of soil erosion _bIV. Earth or adams dam |
|
| 260 |
_aAmes _c1921 |
||
| 300 | _a1-4 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSoil, Erosion Iowa Agricultural Extension Service. Bulletin No. 78 | ||
| 901 | _aS22044 | ||
| 999 |
_c113765 _d113765 |
||