Surprising as it may be, this is the first atlas of Great Lakes Indian history. Originally, Helen Hornbeck Tanner was involved in a research assignment which caused her to collect information on Great Lakes Indians at the time of the Revolution. After finding that maps of the Great Lakes Region were erroneous or deceptive, and that Ohio maps were marked with little known area or insufficient information, she carefully developed this atlas. A bibliographic essay at the end of the atlas describes the enormous research that went into mapping these ethnic groups\u27 histories. A noteworthy variety of sources were analyzed: obvious ones such as old maps, surveyors\u27 notes, missionary observations, journals and Indian agency documents, and ...