Favorite this☆ bh016423 Workers posing among timbering for north transition of south stop log shaft, Waterworks Park, Detroit water supply system
Favorite this☆ bh016422 Timbering for north transition of south stop log shaft, Waterworks Park, Detroit water supply system
Favorite this☆ bh016414 Form for third lift of construction shaft caisson, Waterworks Park, Detroit water supply system
Favorite this☆ bh016413 Workers placing concrete in second lift of screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016412 Concrete caisson being sunk for tunnel construction shaft, Waterworks Park, Detroit water supply system
Favorite this☆ bh016410 Reinforcing steel around screen chamber caisson, Waterworks Park, Detroit water supply system
Favorite this☆ bh016409 Steel sheet piling around screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016408 Steel sheet piling around excavation for screen chamber, Waterworks Park, Detroit water supply system
Favorite this☆ bh016407 Shoe and reinforcing steel for lower portion of concrete caisson, Waterworks Park, Detroit water supply system
Favorite this☆ bh016406 Cutting shoe for caisson of screen chamber, Waterworks Park, Detroit water supply system
