000
00246pam a2200097a 44500
082
_a
TR
_b
EPA-049
100
_a
Gaylord V. Skogerboe
245
1
_a
Selected irrigation return flow quality abstracts 1972-1973
260
_a
_b
_c
997
_a
TR6325 C
999
_c
405643
_d
405643