Favorite this☆ bh015934 Power plant and coal storage, Springwells Station treatment plant during construction, Detroit water supply system
Favorite this☆ bh015933 Drag scraper winding machine wheel, Springwells Station treatment plant during construction, Detroit water supply system
Favorite this☆ bh015930 Worker with drag scraper, Springwells Station treatment plant during construction, Detroit water supply system
