33 The Rangafulla, Jellingham, And Mud Point Channels.
Scope & Content:
Surveyed December 1868. Scale 1000 yards to an inch. F. Laycock, River Surveyor, Fame R.S.V., December 22nd 1868. Lithographed. Formerly numbered 49. Manuscript additions and annotations by Barlow.
Surveyed February & March 1874. Scale 2000 Yards to an Inch. F. Laycock, River Surveyor, Megna R.S.V., March 12th 1874. Photozincographed under the Superintendence of Captn. J. Waterhouse, Surveyor General's Office, Calcutta. The Entrance Of The River Hooghly From The Eastern Channel Ligh...
Surveyed January & February 1877. Scale 2000 Yards = 1 Inch. F. Laycock, River Surveyor, Kedgeree R.S.V., February 23rd 1877. Photozincographed under the Superintendence of Captn. J. Waterhouse, Surveyor General's Office, Calcutta. Manuscript additions and annotations by Barlow.
Surveyed November and December 1878. Scale 1000 Yards = 1 Inch. F. Laycock, River Surveyor, Clyde R.S.V., January 2nd 1879. Photozincographed at the Surveyor General's Office, Calcutta. Manuscript additions and annotations by Barlow.
Surveyed January & February 1879. Scale 2000 Yards to an Inch. F. Laycock, River Surveyor, Clyde R.S.V., February 20th 1879. Photozincographed at the Surveyor General's Office, Calcutta, February 1879. Manuscript additions and annotations by Barlow.
[26a] Overlapping continuation of preceding 'Plan of the Outlet of the River Hughly[...]'.
Scope & Content:
[Scale 2 miles to an Inch.] Manuscript copy by Barlow, enlarged from a tracing. Endorsed 'Ritchie 1770' and 'Continuation of No. 26'. Formerly numbered 3(A). Enlarged from tracing IOR/X/9128/1 item 13.
27 The Mud Point, Auckland, Dredge And Bedford's Channels.
Scope & Content:
Surveyed December & January 1866 & 7. Scale 1000 Yards to an Inch. F. Laycock, River Surveyor, Fame R.S.V., Cowcolly Roads, Jany. 16th 1867. Bengal Litho: Press, No. 47 Dhurrumtollah Road, Calcutta. Annotated by Barlow.