Subjects
- Coal mining.2
- Fortification1
- Frontier and pioneer life1
- Fur trade1
- Genealogy2
- Indians of North America1
- Judges - letters and papers.2
- Lawyers - letters and papers.2
- Politicians1
- Politicians -- United States2
- Politics and government.2
- Railroads2
- Rivers and river valleys.2
- Roads. SEE ALSO Turnpikes.1
- Surveyors and surveying.1