| 000 | 00347nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s1969 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a | ||
| 100 | _aR. Burnell Held | ||
| 245 | _aSoil Conservation In Perspective | ||
| 250 | _a1st | ||
| 260 |
_aBALTIMCRE, Maryland _bTHE JOHNS HOPKINS PRESS _c1969 |
||
| 300 | _a344 | ||
| 700 |
_aMarion Clawson _a |
||
| 999 |
_c38697 _d38697 |
||