In lower left margin: Am. Photo-Lithographic Co. N.Y. (Osborne's Process).
In upper right margin: Plate XV.
In upper right corner: No. 3.
From: Reports of explorations and surveys to ascertain the practicability of a ship-canal between the Atlantic and Pacific Oceans by the way of the Isthmus of Darien ; U.S. House Miscellaneous Documents. 42nd Congress. 3rd Session. vol. 5. / by Thos. Oliver Selfridge, 286 pages, 1874.