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Canals and railroads of the Mid-Atlantic states, 1800-1860 / Christopher T. Baer ; general editors, Glenn Porter and William H. Mulligan, Jr. ; cartographers, Marley E. Amstutz, Anne E. Webster ; research assistants, Betsy Bahr ... [and others] ; cartographic assistants, Niki Chester, Duncan E. Hay, Beth Hoffstein. |
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