Hammond, Rolt 1904- Modern dredging practice/ Rolt Hammond - London: Frederick Muller, c1969 - 274 p.: ill.; 22 cm. Includes index ISBN: 584101813 (SBN) $ 45.00 Subjects--Topical Terms: DredgingHydraulic engineeringDredging--ResearchExcavation Dewey Class. No.: 627.73