Isthmus of Darien from 77?20' to 80?10'. : Compiled at the U.S. Naval Observatory, from various authorities, including maps of 1764.
[Washington, D.C. : Govt. Printing Office, 1867]
From: Charles H. Davis' Report on interoceanic canals and railroads between Atlantic and Pacific Oceans. 1867, no. XIII.
Panama -- Maps.
Maps. lcgft
United States Naval Observatory.
Philadelphia Area Center for History of Science
If you are not immediately redirected, please click here