Favorite this☆ bh016594 Workers on construction site before excavation, Waterworks Park, Detroit water supply system
Favorite this☆ bh016379 Site of north stop log shaft assembling plant, Waterworks Park, Detroit water supply system
Favorite this☆ bh015737 Construction site, low lift plant, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh012720 Construction worker and needle beams, foundation construction, Union Guardian Building
