Key Biscayne and Caryfort Reef, Florida 1878

Relief shown by hachures. Depths shown by bathymetric tints and soundings. ; Buoys shown in red, black, and white. ; Includes sheet index, text, seal, and tables. ; "No. 166" -- upper left margin. ; "Plate no. 884" -- upper center margin. ; "Electrotype copy no. 1 by G. Mathiot, U.S.C.S." -- upper right margin. ; Map complete in 4 sheets: No. 66 (also no. 166), Florida reefs, from Key Biscayne to Carysfort Reef (1878) -- No. 67 (also no. 167), Florida reefs, from the Elbow to Lower Matecumbe Key (1878) -- No. 68 (also no. 168), Florida reefs, from Long Key to Newfound Harbor Key (1878) -- No. 69 (also no. 169), Florida reefs, from Newfound Harbor to Boca Grande Key (1878). ; "Published in 1861." ; "Issued February 1878." ; "Aids to navigation corrected to 1881." ; "Triangulation executed in 1850, 1851, 1852, and 1855; topography executed in 1851, 1853, 1854, and 1855; hydrography executed in 1852, 1853, and 1854; astronomical and magnetic observations made by J.E. Hilgard in 1849 and 1850."Color1:80,00