Favorite this☆ bh017446 Entrance to pedestrian tunnel, Chemical Building during construction, Northeast Station, Detroit water supply system
Favorite this☆ bh017237 Brick tunnel, auxiliary low lift plant, Waterworks Park, Detroit water supply system
Favorite this☆ bh017236 Brick tunnel, auxiliary low lift plant, Waterworks Park, Detroit water supply system
Favorite this☆ bh017210 Workers in tunnel, auxiliary low lift plant, Waterworks Park, Detroit water supply system
Favorite this☆ bh017209 Workers in tunnel, auxiliary low lift plant, Waterworks Park, Detroit water supply system
Favorite this☆ bh017200 Workers excavating tunnel, auxiliary low lift plant, Waterworks Park, Detroit water supply system
