00513nam a22001457a 4500 4245 4245 200728b ||||| |||| 00| 0 eng d 627.73 S5286 3469 Shankland, Ernest Claude. Dredging of harbours and rivers : A Work of descriptive and technical reference combining hydrography, dredging, hydraulics and seamanship Glasgow Brown,Son&Ferguson 1949 xii, 262 p. 31.08 Dredging BK 0 1 ddc 0 627_730000000000000_S5286 0 12397 CL CL 1953-03-18 E. W. Steves & Co 627.73 S5286 01757 2020-07-28 BK