Close's chart from the Humber to Dover, Calais and Ostende
Close, Albert W.
London : sold by Edward Stanford,
1919.
Soundings in fathoms.
Charts pasted together.
Wrecks and lights coloured.
Insets: Entrance to River Humber ; Tides at Smith's Knoll, buoy ; Tides at Smith's Knoll, light vessel.
Inset, notes: Southern North Sea trawling grounds.