Favorite this☆ bh015580 Workers posing on steel sheet piling cell, intake lagoon, Detroit water supply system
Favorite this☆ bh015578 Derrick placing rock on north dike, intake lagoon, Detroit water supply system
Favorite this☆ bh015575 Dredge "New Jersey" excavating from river channel, Detroit water supply system
Favorite this☆ bh015574 Dredge "New Jersey" approaching intake cofferdam, Detroit water supply system
Favorite this☆ bh015567 Flume for carrying water from hydraulic filling operations, Detroit water supply system