57 The Outer And Middle Rangafulla Channels And The Mud Point Anchorage.
Scope & Content:
As surveyed in May 1861. Scale One thousand Yards to an Inch. Joseph Obbard, River Surveyor, Salween S.V., off Calcutta, 1st June 1861. T. Black & Co., Calcutta, Lithographers & Engravers.
10 The Lower Part Of The Inner Rangafulla Channel From Middle Point To Mud Point.
Scope & Content:
Surveyed December 1864. Scale one Thousand Yards to an inch. F. Laycock, Offg. River Surveyor, Fame R.S.V., off Diamond Harbour, January 2nd 1865. T. Black & Co., Lithrs:, Cal:.
16 The Outer Rangafulla Channel And Its Junction With The Lower Part Of The Inner Channel.
Scope & Content:
Surveyed November 1865. Scale 1000 Yards to an Inch. F. Laycock, Offg. River Surveyor, Fame R.S.V., off Mud Point, Novr. 23rd 1865. Litho: W. B. Nyss, Calcutta, 1865.
115 Bengal, River Hooghly. Kedgeree To Saugor Including The Eden, Dredge And Auckland Channels And Saugor Roads.
Scope & Content:
Surveyed by Messrs. H. A. Jones & C.C. Campbell. Surveyed January & February 1883. Natural Scale 1:36,100. [Calcutta, published under the authority of the Port Commissioners, ...]. Photozincographed at the Surveyor General's Office, Calcutta, April 1883. Lower margin cut off. Manusc...
Surveyed March 1876. Scale 1 Inch = 2 Miles. F. Laycock, River Surveyor, Calcutta, March 31st 1876. Photozincographed under the Superintendence of Captn. J. Waterhouse, Surveyor General's Office, Calcutta. Manuscript additions and annotations by Barlow.