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Subject
- Nautical charts27
- Indigenous peoples21
- San Juan Boundary Dispute (1846-1872)15
- Boundaries10
- Gold mines and mining10
- Coasts9
- Harbors8
- City planning5
- North American Boundary Commission5
- British Columbia4
- British North American Exploring Expedition4
- Hudson's Bay Company4
- 3
- Agriculture3
- Coast defenses3
- Land use3
- British Columbia. Lands Branch2
- Dioceses2
- Discoveries in geography2
- Fort Alexandria National Historic Site2