Various scales. Bound in 1889 and 1905 Mexican Gulf Cable folder. Chart No 1A. Black and white chart. Lights coloured. Mss cable routes marked in blue and red. Soundings in fathoms and feet. Bar scales. Mss navigational text. Caution note panel.

Eleven charts on one sheet: (a) Alacran Reef survey by Comr. Barnett HMS Thunder 1838, scale 1:150,000 (bar), (b) Alacran Port, scale 1: 25,000 (bar). (c) Cay Arenas and adjacent reefs surveyed by Comr E. B. Barnett 1836, scale 1:25,000 (bar), (d) Yucatan Bank, Eastern and Southern Triangles surveyed by Capt. Barnett R.N. 1842, scale 1:35,000 (bar), (e) Yucatan Bank, Arcas Cays surveyed by Capt. Barnett R.N. 1842, scale 1:18,000 (bar), (f) Madagascar Reef, scale 1:35,000 (bar), (g) Sisal Reef, scale 1:35,000 (bar), (h) Sisal Reefs surveyed in 1838 by Comr. E. Barnett, scale 1:150,000 (bar), (i) Anchorage off Sisal, scale 1:35,000 (bar), (j) Mouth of the Coatzacoalcos River, scale 1:18,000 (bar), (k) Coatzacoalocos River from a survey by the U.S. Tehuantepec Expedition, Captain Robert, W. Shufeldt, USN. Comdg, 1870-1, scale 1:70,000 (bar). One coastal view.