22 The Outer Rangafulla Channel From Kulpee To Channel Creek.
Scope & Content:
Surveyed May 1866. Scale 1000 Yards to an Inch. F. Laycock, Offg. River Surveyor, Fame R.S.V., Rangafulla, June 6th 1866. Litho: W. B. Nyss, No. 47 Dhurrumtolah Road.
39 Sketch Of The Rangafulla, Jellingham And Mud Point Channels.
Scope & Content:
Surveyed in January 1871. Scale 1 Inch = 1000 Yds. F. Laycock, River Surveyor, R.S.V. Fame, off Saugor, 15th February 1871. Lithogd. by W. B. Nyss, Calcutta, March 1871. Formerly numbered 50. Manuscript additions and annotations by Barlow.
Part II, containing from the head of the Luckya River to Coustya, in distance 53 Statute Miles. 1765. Scales of [20] British Statute Miles 69½ to a Degree [=9.8 inches] and [15] Geographic Miles 60 to a Degree [=8.7 inches]. I. Rennell fect. 1765.
Part II, containing from the head of the Luckya River to Coustya, in distance 53 Statute Miles. 1765. Scales of [20] British Statute Miles 69½ to a Degree [=9.8 inches] and [15] Geographic Miles 60 to a Degree [=8.7 inches]. I. Rennell fect. 1765.
165 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. Annotated by Barlow. Formerly numbered 46. Attached: two news cuttings of 1865 concerning changes in the River Hooghly res...
34 The Auckland and Mud Point Channels as Surveyed in March 1856.
Scope & Content:
Scale One thousand yards to an inch. Joseph Obbard, River Surveyor, Beacon S.V., 28th March 1856. T. Black, Asiatic Lith: Press, No. 4, Waterloo Street, Calcutta.
45 The Rangafulla Channel as surveyed in May & June 1858.
Scope & Content:
Scale a thousand yards to the Inch. Joseph Obbard, River Surveyor, H.C.S.V. Spy, off Kedgeree, 7th June / 58. T. Black, Lithr: & Engr:, 4 Waterloo St., Calcutta.
56 The Gasper And Thornhills' Channels And The Reef Head Passage.
Scope & Content:
As surveyed in December 1860 and January 1861. Scale One Thousand Yards to the Inch. Joseph Obbard, River Surveyor, Salween S.V., off Calcutta, 17th Feby. 1861. T. Black & Co., Lithrs: & Engravers, Calcutta.