000 00491nam a22001697a 4500
003 OSt
008 091027t xxu||||| |||| 00| 0 eng d
020 _a0871791218
080 _a349.6(73)
_bGRA'73.s
100 _aGray, Oscar S
_96603
245 _aCases and materials on environmental law - supplement 1977
250 _a2nd ed.
260 _aWashington DC
_bThe Bureau of National Affairs
_c1977
300 _axii, 607p.
653 _aEnvironmental law - United States
942 _cBK
999 _c123566
_d123566