Relief shown by hachures. Depths shown by soundings. "N.B. This survey has been taken at different times and reduced to one general scale in the year 1778." In upper right corner: "The property of J.E. Hilegard." "No.2." Available also through the Library of Congress Web site as a raster image. Includes text. Insets: A plan of Manchac 1774 -- A Continuation of the Mississippi ...
Contributor:Gauld, George - Hilgard, J. E. (Julius Erasmus)
Pen-and-ink and watercolor. Relief shown pictorially. Also shows cities and towns and features in the region along the Mississippi River. In lower right corner: Archives du Dépôt des cartes et plans de la marine, Paris. "No. 9--124885." Available also through the Library of Congress Web site as a raster image.
Contributor:L'Isle, Guillaume De - France. Dépôt Des Cartes Et Plans De La Marine