Favorite this☆ bh016661 Workers enlarging existing holes for discharge piping, pumping station no. 2, Waterworks Park, Detroit water supply system
Favorite this☆ bh016660 Worker excavating and cutting old engine foundations, pumping station no. 2, Waterworks Park, Detroit water supply system
Favorite this☆ bh016659 Holes for new suction pipes, pumping station no. 2, Waterworks Park, Detroit water supply system
Favorite this☆ bh016658 East end of pumping station no. 2 after removal of steam pumps, Waterworks Park, Detroit water supply system
