Favorite this☆ bh016453 Safety bulkhead in south heading of tunnel during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016452 South heading of tunnel during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016451 Foundation piles in screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016450 Workers removing first wale of screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016449 Screen chamber during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016448 Foundation piles in screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016447 Foundation piles in screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016446 Worker in tunnel during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016445 Construction workers at south heading of tunnel, Waterworks Park, Detroit water supply system
Favorite this☆ bh016444 Construction workers at south heading of tunnel, Waterworks Park, Detroit water supply system
Favorite this☆ bh016442 Forms and reinforcing steel for screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016441 Forms and reinforcing steel for screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016440 Forms and reinforcing steel for screen chamber, Waterworks Park, Detroit water supply system
