South America, British Guiana, approaches to Dermerara & Essequibo Rivers surveyed by Navq. Lieutts G. Stanley, J. T. Hoskyn & W. B. P. Thompson R.N. 1870-71. The Coasts of Demerara & part of the Arabian Coast by Comr. C.F. Oldham, Lieutt. A. Havergal and the officers of HMS Sparrowhawk, 1886-7

Scale: circa 1 : 150,000. Chart No 4A . Bound in West India Cables, Barbados - Demerara, Trinidad - Barbados and Barbados - Turks Island Cable Folder, 1924.Black and white chart. Lights coloured. Soundings in fathoms. MSS cable routes marked in blue and red. MS colour cable key. Abbreviations Identification Panel.