Concerning the use of the Susquehanna River for transportation, and comparing the merits of water vs. land transportation.
Dated at end: Philadelphia, January 20, 1772.
Electronic text and image data. [Chester, Vt. : Readex, a division of Newsbank, Inc., 2002-2004. Includes files in TIFF, GIF and PDF formats with inclusion of keyword searchable text. (Early American imprints. First series ; no. 42370).