Vintage 1974 DECCA Chain Map Plan Chart Entrance to the River Humber and Hull and Holderness East Yorkshire Under the superintendence of rear admiral GPD Hall. This has several dates on the map , it appears it was originally published in 1974 but has corrections through until 1977 Measures 28 inches x 41.5 inches This will be rolled and placed in a protective tube for safe delivery Rolled Cont 2