000 | 00377nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
245 | _aYou, water and watersheds | ||
260 | _aPennsylvania | ||
260 | _bPennsylvania Agricultural Experiment Station | ||
260 | _c1963 | ||
300 | _a14 p. | ||
440 | _aNo. 518; Pennsylvania Agricult | ||
901 | _pS8637 | ||
942 |
_cB _2udc |
||
999 |
_c137143 _d137143 |