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Subject
- Indian reservations[remove]32
- Indians of North America12
- Railroads7
- Mines and mineral resources5
- Public lands4
- Military bases3
- Military reservations3
- Roads3
- Land grants2
- Counties1
- Discoveries in geography1
- Discovery and exploration1
- Forest reserves1
- Highway planning1
- Historical geography1
- Land tenure1
- Military maps1
- Monuments1
- National parks and reserves1
- Trading posts1
