To locate lost or misplaced relatives, a researcher must first understand pioneer migration routes. this book outlines and describes the routes and trails used by settlers in their rush to acquire new lands. A discussion of the historical events which caused those migrations may help the researcher select better criteria for research. "Northern Trails" deals with migration from the New England area and includes information which explains why these settlers did not leave New England in mass until about 1820. This atlas emphasizes the trails and routes used to settle the northern part of the Old Northwest Territory, espeically Ohio, Indiana and Illinois. Maps include: North American Land Claims, Watersheds and Portage Paths, Western Land Claims at the End of the Revolution, Post (mail) Roads of 1804, Two Ohio Canals, Western Population and Original Plans of the Erie Canal.