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- eBookWaterways of Westward Expansion - The Ohio River and its TributariesArcher Butler Hulbert
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- eBookPaths of the Mound-Building Indians and Great Game AnimalsArcher Butler Hulbert
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- eBookHistoric Highways of America (Vol. 7) Portage Paths - The Keys of the ContinentArcher Butler Hulbert
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- eBookThe Niagara RiverArcher Butler Hulbert
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- eBookHistoric Highways of America (Vol. 11) Pioneer Roads and Experiences of Travelers (Volume I)Archer Butler Hulbert
- eBookWaterways of Westward Expansion - The Ohio River and its TributariesArcher Butler Hulbert