The coal business on the Pennsylvania railroad. [electronic resource] A communication addressed to the president, directors, and stockholders of the Pennsylvania railroad, on the cost of transportation.
Imprint
Philadelphia, T.K. and P.G. Collins, printers, 1857.
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.