1. Isthmus of Darien from 77⁰20' to 80⁰10'. : Compiled at the U.S. Naval Observatory, from various Published / Created: 1867] Call Number: 89 1866I Container / Volume: BRBL_00658 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Isthmus of Darien from 77⁰20' to 80⁰10'. : Compiled at the U.S. Naval Observatory, from various authorities, including maps of 1764.