Favorite this☆ bh015589 Dredge excavating back channel and crane depositing rock on dike, intake lagoon, Detroit water supply system
Favorite this☆ bh015584 Concrete pier, steel sheet piling and dike, intake lagoon, Detroit water supply system
Favorite this☆ bh015580 Workers posing on steel sheet piling cell, intake lagoon, Detroit water supply system
