Is a ship canal practicable? [electronic resource] Notes, historical and statistical, upon the projected routes for an interoceanic ship canal between the Atlantic and Pacific Oceans ... By S.T. Abert.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.