• 4 Wisconsin Historical Society Library

• 4 Military engineering
• 1 Civil engineering
• 1 Civil engineers
• 1 Engineering
• 1 Environmental engineering
• 1 Environmental protection
• 1 Harbors
• 1 History
• 1 Infrastructure (Economics)
• 1 Labor unions
• 1 Locomotive engineers
• 1 Military bases, American
• 1 Power resources
• 1 Transportation
• 1 United States. Army
• 1 United States. Army. Corps of Engineers
• 1 United States. Army. Corps of Engineers. Baltimore District
• 1 United States. Army. Corps of Engineers. Europe District
• 1 United States. Army. Corps of Engineers. Gulf Region Division
• 1 United States. Army. Corps of Engineers. New England District
• 1 United States. Army. Corps of Engineers. Portland District
• 1 United States. Navy
• 1 Vehicles, Military
• 1 Water resources development

• 1 American Society of Civil Engineers. Wisconsin Section
• 1 Brotherhood of Locomotive Engineers (U.S.)
• 1 Columbia River Treaty Permanent Engineering Board
• 1 United States. Army. Corps of Engineers
• 1 United States. Army. Corps of Engineers. Baltimore District
• 1 United States. Army. Corps of Engineers. Europe District
• 1 United States. Army. Corps of Engineers. Gulf Region Division
• 1 United States. Army. Corps of Engineers. Honolulu District
• 1 United States. Army. Corps of Engineers. New England District
• 1 United States. Army. Corps of Engineers. Pacific Ocean Division
• 1 United States. Army. Corps of Engineers. Portland District. Public Affairs Office
• 1 United States. Department of the Army
• 1 United States. Navy Department

• 11 English

• 2 United States
• 1 Baltimore
• 1 British Columbia
• 1 Colombie- Britannique
• 1 Columbia River Watershed
• 1 Columbia, Bassin de la
• 1 Europe
• 1 Fort Shafter
• 1 Fort Shafter (Hawaii)
• 1 Hawaii
• 1 Iraq
• 1 Maryland
• 1 New England
• 1 Washington (State)
• 1 Washington (État)
• 1 Wisconsin

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