139 The Mud Point & Auckland Channels, And Kedgeree Roads.
Scope & Content:
As surveyed in May 1857. Scale of a thousand Yards to an Inch. Joseph Obbard, River Surveyor, H.C.S.V. Cavery, Diamond Harbour, 29th May 1857. T. Black, Lithr: 4 Waterloo Street, Calcutta. Manuscript additions by Barlow. Further annotated by Barlow. Formerly numbered 3.
Surveyed May & June, 1865. Scale 1000 Feet to an inch. F. Laycock, Offg. River Surveyor, R.S.V. Fame, off Calcutta, June 16th 1865. Lithd. by T. Black & Co., Cal:. Annotated by Barlow.