1. General sketch of the survey for an interoceanic ship canal near the Isthmus of Darien via the Creator: Michler, N. (Nathaniel), 1827-1881 Published / Created: 1859?] Call Number: 89 1866G Container / Volume: BRBL_00658 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > General sketch of the survey for an interoceanic ship canal near the Isthmus of Darien via the Rivers Atrato and Truandó / made in accordance with the Act of Congress of March 3rd, 1857, under the direction of the Hon. Secretaries of War and of the Navy