of Internal Improvement in the United States, Richmond: P. D. Bernard, 1839 A popular exposition of the incorrectness of the tariffs of toll in use on the public improvements of the United States. 1839. Philadelphia: C. Sherman & Co.. Accessed at Haithitrust. Exposition of the causes which have conduced to the failure of many railroads in the United States. (1841) Accessed at Haithitrust. A Popular Notice of Suspension Bridges, With a Brief Description of the Wire Bridge Across the Schuykill, Fairmount. Philadelphia: John C. Clark & Sons, 1843 The Position and Prospects of the Schuykill Navigation Company, Philadelphia, 1845 The Reading Railroad Company. New-York, 1845. Accessed at Haithitrust. Contribution to the Physical Geography of the United States. Part 1. Of the Physical Geography of the Mississippi Valley, with Suggestions for the Improvement of Navigation of the Ohio and Other Rivers, Smithsonian Institution, 1849 Report on a Suspension Bridge Across the Potomac for Rail Road and Common Travel, Philadelphia: John C. Clark, 1852 Report on the Overflows of the Delta of the Mississippi, Washington: A. Boyd Hamilton, 1852 The Mississippi and Ohio Rivers: Containing Plans for the Protection of the Delta from Inundation; and Investigations of the Practicality and Cost of Improving the Navigation of the Ohio and Other Rivers by Means of Reservoirs with an Appendix on the Bars at the Mouths of the Mississippi, Philadelphia: Lippincott, Grambo and Co., 1853 Subscriptions to Western Railroads, Addressed to the President and Directors of the Pennsylvania Rail Road Company, Philadelphia: John C. Clark & Sons, 1854 Coast and Harbour Defenses, or the Substitution of Steam Battering Rams for Ships of War, Philadelphia: John C. Clark & Sons, 1855 The Mountain Top Track: A Description of the Railroad Across the Blue Ridge at Rock Fish Gap in the State of Virginia, Philadelphia: T.K. & P.G. Collins, 1856 References Sources Further reading Bell, Christopher Ross. "Charles Ellet Jr., and the theory of optimal input choice." History of Political Economy 18.3 (1986): 485-495. Ekelund, Robert B., and Donald L. Hooks. "Ellet, Dupuit, and Lardner: On Nineteenth Century Engineers and Economic Analysis." Nebraska Journal of Economics and Business (1973): 43-52. Kemp, Emory Leland. (1999), "The Wheeling Suspension Bridge: A Pictorial Heritage." Pictorial Histories Publishing Company, ISBN 978157510061 External links Charles Ellet, Jr. Papers, University of Michigan Library Guide to the Ellet Family Papers, Stanford University 1810 births 1862 deaths 19th-century American male writers American bridge engineers