57 The Entrances To The River Hooghly From Sands Head To Mud Point.
Scope & Content:
Compil'd from various surveys of recent date. Scale 2 Miles = 1 Inch. F. Laycock, River Surveyor, Kedgeree R.S.V., February 17th 1875. Photozincographed under the Superintendence of Captn. J. Waterhouse, Surveyor General's Office, Calcutta. Manuscript additions and annotations by Barlow.
An Exact Survey Of The Great River Ganges From The Head Of Jelenghee River To Its Conflux With The Baramputrey.
Scope & Content:
No. IX, containing from Bromgunge to Binetty, in distance 13½ Statute Miles. By J. Rennell, Surveyor. November 1764. Scale 500 yards to an Inch. Lithographed facsimile of manuscript map X/419/9.