The Economy of Steam Power on Common Roads, in Relation to Agriculturists, Railway Companies, Mine and Coal Owners, Quarry Proprietors, Contractors, &c., with Its History and Practice in Great Britain, by Charles Frederic T. Young, C.E., (Mem. Soc. Engineers), and Its Progress in the United States, by Alex. L. Holley, C.E., and and J. K. Fisher (engineers, New York)