Chart of part of the Bahama Islands showing the tracks ascribed to Columbus on his discovery of the New World / compiled and drawn, under the direction of W.T. Bright, in charge of Drawing Division, U.S. Coast and Geodetic Survey Office ; by T.J. O'SullivU.S. Coast and Geodetic Survey[1881]Imperfect. Chipped with possible loss of text.Includes references and 5 insets.Relief shown by hachures and spot heights. Depths shown by soundings.cartographic