Surveyed between Septr. 18th and Octr. 3rd 1854. Scale 1000 yards to an inch. A. Bedford, River Surveyor, October 7th 1854. Drawn on Transfer paper by B. Bensley, Lithd. by T. Black, Asiatic Lithographic Press, Calcutta.
Surveyed between Septr. 18th and Octr. 3rd 1854. Scale 1000 yards to an inch. A. Bedford, River Surveyor, October 7th 1854. Drawn on Transfer paper by B. Bensley. Lithd. by T. Black, Asiatic Lithographic Press, Calcutta.
As surveyed in October & November 1857. Scale of a thousand Yards to the Inch. Joseph Obbard, River Surveyor, H.C.S.V. Spy, 18th Novr. 1857. T. Black, Lithr: 4 Waterloo Street, Calcutta.
Surveyed June 1866. Scale 500 yards to an Inch. F. Laycock, Offg. River Surveyor, Fame R.S.V., July 3, 1866. Manuscript copy by Barlow. Annotated by Barlow: 'Soundings Traced on the Calcutta Lithographed Chart.'