This is the definitive history of the boundary dispute as experienced by the citizens and officials at the local, state, and provincial levels, both British and American. It is based on journals, documents, speeches, letter books, and collections of correspondence of participants on both sides of the controversy to chronicle the dispute from its origins to the establishment of an agreed-upon boundary with the Treaty of Washington in 1842. Appendices list settlers in the disputed territory and neighboring Aroostook County towns, Canadian timber harvesters, the land agent's civil posse, militia rolls, land claims from Aroostook, etc.