Favorite this☆ bh015697 Segments of cutting shoe, low lift plant, Springwells Station treatment plant, Detroit water supply system
Favorite this☆ bh015618 Derrick boat "D-1" depositing rock at back channel, Detroit water supply system
Favorite this☆ bh015616 Derrick boat "D-1" trimming berm and slope at bellmouth, Detroit water supply system
Favorite this☆ bh015610 Derrick boat "Dunbar" and a dragline "Cuilene Rhue" trimming back channel and building embankment, Detroit water supply system
Favorite this☆ bh015589 Dredge excavating back channel and crane depositing rock on dike, intake lagoon, Detroit water supply system