Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean [electronic resource]
Imprint
Washington, A. O. P. Nicholson, printer [etc.] 1855-60.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 1996. 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.
