Title: Mr. Hemphill's speech in the House of Representatives, on the 14th of January, 1823 : on the following bill: To procure the necessary surveys, plans, and estimates, on the subject of roads and canals.
Authors: Hemphill, Joseph, 1770-1842., United States. Congress (17th, 2nd session : 822-1823. House.
Publication Info: [Washington, D.C.] : [Printed by D. Rapine, Agt. Capitol Hill], 
subjects: [Roads--United States] [Canals--United States] [Public works--United States]
Title: Report of the Secretary of the Treasury on the subject of public roads and canals : made in pursuance of a resolution of Senate, of March 2, 1807.
Authors: United States. Dept. of the Treasury., Gallatin, Albert, 1761-1849.
Publication Info: Philadelphia : Printed by W. Duane ..., 1808.
subjects: [Roads--United States] [Canals--United States]
Title: Speech of Mr. C. F. Mercer, on the subject of the Chesapeake and Ohio canal : delivered in the convention of delegates, held at the city of Washington, November 7, 1823.
Authors: Mercer, Charles Fenton, 1778-1858., Harris, James D. (James Dunlop), 1797-1842., Alexander, Caleb A., Chesapeake and Ohio Canal Convention (1826 : Washington, D.C.). Central Committee.
Publication Info: Washington : Printed by Gales & Seaton, 1823.
subjects: [Canals--United States] [Chesapeake and Ohio Canal (Md. and Washington, D.C.)] [Pennsylvania Canal (Pa.)]