Cedergren, Harry R. Seepage, Drainage, and Flow Nets/ Harry R. Cedergren - 3rd ed - New York : John Willey and Sons, 1988 - xviii, 465p. : ill. ; 23 cm ISBN: 0471611786 Subjects--Topical Terms: SeepageDrainage Dewey Class. No.: 624.15136 CED