See also Thames River Charts, Deben Entrance Charts and Pilots and Harwich Haven Charts and Pilots
1688/9 Halley’s Survey
presented to the Royal Society but whereabouts not known. Results incorporated in his Channel Chart. See Halley
1903 East Coast Rivers by Meesum
1923 East Coast Rivers – on file
1953 File:Admiralty Chart No 1610 North Foreland to Orfordness, Published 1953.jpg – Wikimedia Commons