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Subjects
- Surveying -- Michigan.4
- Surveying -- Wyoming.3
- Boats.2
- Dwellings -- Michigan -- Ann Arbor.2
- World War, 1914-1918.2
- Airplanes.1
- Barbering.1
- Birds.1
- Botany.1
- Camping.1
- Canals.1
- Cattle.1
- Children.1
- Churches -- Michigan -- Ann Arbor.1
- Conservation of natural resources -- United States.1
- Construction industry.1
- Dams -- Michigan -- Oxbow.1
- Dams.1
- Ecology.1
- Engineers -- Michigan -- Ann Arbor.1