Favorite this☆ bh016739 Gas line and valves for steam generator unit no. 1, Waterworks Park, Detroit water supply system
Favorite this☆ bh016180 Gas and air ducts, Springwells Station treatment plant during construction, Detroit water supply system
Favorite this☆ bh016179 Gas duct and induced draft fan, Springwells Station treatment plant during construction, Detroit water supply system