000 004290000a22001810004500
245 _aElementary soil and water engineering
100 _aSchwab, Glenn O.
100 _aFrevert, Richard K.
250 _a3d ed.
260 _aMalabar
_bKrieger
_c1985
300 _a356 p.
020 _a0-89464-833-0
080 _a626.8
_bS4
650 _aSOIL CONSERVATION
650 _aWATER CONSERVATION
041 _aEN
942 _cBK
999 _c67747
_d67747