000 00311nam a2200145 4500
020 _a9780697286550
082 _a363.7 ENG
100 _aEldon D.Enger
245 _aEnvironrmental Science
250 _a6th
260 _aNew York
_bMcGraw-Hill
_c1998
300 _a456
650 _aEnviornment
942 _cREF
999 _c1540
_d1540