No scale given. Manuscript tracing by Barlow, mounted on paper. 'Traced from an Engraved Chart of Lloyd's Survey (1836).' Inset: Relative Sizes Of The Auckland Island In 1836 And Jany. 1847. No scale given.
Surveyed Dec: 1857, and January & February 1858. Scale 2000 yards to the Inch. Joseph Obbard, River Surveyor, H.C.S.V. Spy, off Calcutta, Feb. 22, 1858. Manuscript copy by Barlow. 'Reduced from the original Scale of 1000 yards to 1 inch.' Further annotated by Barlow. Formerly numbered 18.
Surveyed in July 1843. A. Bedford, River Surveyor, Calcutta, August 2nd 1843. Scale of 1 inch to 1000 yards. Manuscript tracing by Barlow ('R. Fred: Barlow Transct: Oct: 1843'). Annotated by Barlow: 'Never has been engraved nor lithographed to my knowledge.'
Surveyed in February 1844. A. Bedford, River Surveyor, March 8th 1844. Scale One Inch to 1000 yards. Manuscript tracing by Barlow ('R. Fred: Barlow Transt. June 1844'), with extension slip. Annotated by Barlow: 'I am not aware of any lithographed or engraved copy of this Survey: I traced this...
Surveyed August and September 1865. Scale 500 yards to an inch. J. Laycock, Offg. River Surveyor, Fame R.S.V., Kulpee, September 16th 1865. Lithographed. Annotated by Barlow.
Surveyed in January 1851. Scale of 1000 Yards to an Inch. A. Bedford, River Surveyor, January 13th, 1851. Lithographed and Sold by T. Black, Asiatic Lithographic Press, Calcutta. Manuscript additions by Barlow.
Surveyed Sept: 1843 by A. Bedford, H.C.M. A. Bedford. Scale 1 inch to 1000 yards. Manuscript tracing by Barlow. 'R. Fred: Barlow Transct: Nov. 2 / 1843.'