Documents relative to a communication between Pittsburgh and the Ohio Canal. - Pittsburgh : D. and M. Maclean, printers, 1833. - xxxi, 27 p., [1] folded leaf of plates : map, 22 cm. LC copy's map is hand-colored. Checklist Amer. imprints, 18594 LCCN: ca 07006505 Subjects--Topical Terms: Canals--Ohio.Canals--Pennsylvania. LC Class. No.: HE396.O3 / A3