Early maps of the Ohio Valley : a selection of maps, plans, and views made by Indians and colonials from 1673 to 1783
Historical maps of the Ohio River Valley, including the Allegheny River. Includes maps of the Great Lakes and frontier forts such as Fort Pitt, Fort Duquesne, and Fort Venango
Print Book, English, ©1959
University of Pittsburgh Press, [Pittsburgh, Pa.], ©1959