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Topic
- Railroad travel 3
- Discoveries in geography 2
- Discovery and exploration 2
- Inland navigation 2
- Rivers 2
- Agricultural laborers 1
- Agriculture 1
- Apples 1
- Boatbuilding 1
- Boats and boating 1
- Bodies of water 1
- Canada, Western 1
- Canals 1
- Cartography 1
- Dams--Surveying 1
- Eddies 1
- Emigration and immigration 1
- Explorers 1
- Harvesting 1
- Hunting 1