Carte réduite de l'Île Royale, assujettie aux observations astronomiques et nautiques, aux operations géodésiques, à différentes routes et à leur direction,

Scale ca. 1:800,000.
Relief shown by hachures. Depths shown by soundings.
"Longitude occidentale du méridien de Paris."
"No. 2. B." located above upper left corner of border.
"No. 1. B. et 2. B. ensemble prix trois livres" located below lower left corner of border.
"4." located below lower right corner of border.
From the author's Neptune Americo-Septentrional contenant les côtes. 1778-80.
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2: 110; 651/1; 650/2; 700/1