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 December 3rd / 54 and Jany. 3rd / 55. Scale 1000 yards to an Inch. Benjn. Bensley, River Surveyor, January 5th 1855. On Transfer Paper by B. Bensley & Lithographed by T. Black, Lithr. Asiatic Lith. Press, Calcutta. Annotated by Barlow.
25 A Sketch Of The Upper Part Of The Gaspar & The Lower Bar Of Thornhill's Channel.
Scope & Content:
Surveyed in Feby. 1855. Scale 1000 Yards to an Inch. Benjn. Bensley, River Surveyor, Feby. 27th 1855. Drawn on transfer paper & Lithographed at the Asiatic Lithc. Press, T. Black, Lithographer, 5/3 Tank Square. Annotated by Barlow.
Surveyed in April 1855. Scale 1000 Yards to an Inch. Benjn. Bensley, River Surveyor. Drawn on Transfer Paper by B. Bensley. Lithd. by T. Black, Asiatic Lithographic Press, Calcutta.
Scale 1000 Yds to an inch. Surveyed in August 1855. Benjn. Bensley, River Surveyor, August 19th 1855. Drawn on transfer paper & lithographed at The Asiatic Lith: Press, No. 4, Waterloo Street, running along from the N.E. corner of Govt. House.
Surveyed in October 1855. No scale given [1 inch to 1000 yards]. Benjn. Bensley, River Surveyor, October 20th 1855. T. Black, Asiatic Lith: Press, No. 4, Waterloo Street.
Surveyed in October 1855. Scale 1000 yards to an inch. Benjn Bensley, Mate Pilot, November 23rd, 1855. B. Bensley, Lith:. Printed & sold by T. Black, Asiatic Lith: Press, Calcutta.