=LDR 22 4500 =001 2951 =082 04$a551.48 VIE =100 1\$aViessman, Warren =245 10$aIntroduction to Hydrology =260 \\$aLondon :$bHarper and Row,$c1977 =650 \0$aBooks =700 1\$aLewis, Gary L. =700 1\$aHarbaugh, Terence E. =700 1\$aKnapp, John W. =852 \\$bFreeman Library$h551.48 VIE$zNot located