Report on the filtration of river waters, for the supply of cities, as practised in Europe, made to the Board of water commissioners of the city of St. Louis. [electronic resource]
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.