Proceedings of the River improvement convention, held in St. Louis February 12 & 13, 1867 [electronic resource]/ published by order of the Union Merchants' Exchange of St. Louis. _
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.