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Subjects
- Civil engineering -- Michigan.1
- Dams -- Connecticut -- Design and construction.1
- Dams -- Connecticut.1
- Dams -- Iowa -- Design and construction.1
- Dams -- Iowa.1
- Dams -- Michigan -- Design and construction.1
- Dams -- Michigan.1
- Dams -- Nebraska -- Design and construction.1
- Dams -- Nebraska.1
- Dams -- Surveying.1
- Dams -- Texas -- Design and construction.1
- Dams -- Texas.1
- Dams -- Wisconsin -- Design and construction.1
- Dams -- Wisconsin.1
- Electric railroads.1
- Hydroelectric power plants -- Connecticut.1
- Hydroelectric power plants -- Iowa.1
- Hydroelectric power plants -- Michigan.1
- Hydroelectric power plants -- Nebraska.1
- Hydroelectric power plants -- Texas.[remove]1