| 000 | 00444 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a614.7 _bU 58 E |
||
| 245 | 1 |
_aEnvironmental improvement (Air water, and soil) _cedited by R.W. Marquis |
|
| 260 |
_aWashington _bGraduate School, U.S.D.A. _c1966 |
||
| 650 | _aEnvironmental Pollution | ||
| 700 | _aMarquis, R.W., d. | ||
| 700 | _aUnited States Department of Agriculture Graduate School | ||
| 100 |
_a _d |
||
| 300 | _a105 p. | ||
| 901 | _a118647 | ||
| 999 |
_c76331 _d76331 |
||