Favorite this☆ bh015661 Chemical Building during construction, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015660 Chemical Building during construction, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015659 Steel framework, Chemical Building, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015658 Workers erecting structural steel, Chemical Building, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015657 Workers erecting structural steel, Chemical Building, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015656 Roof construction of Chemical Building, Springwells Station treatment plant, Detroit water supply system
