Das, Ghanshyam. Hydrology and soil conservation engineering / Ghanshyam Das. - New Delhi : Prentice-Hall, c2000. - x, 489 pages : illustrations ; 25 cm. Includes index. ISBN: 812031493X Subjects--Topical Terms: Soil conservation.Hydrology.Watershed management. Dewey Class. No.: 631.45 DAS