bh016931 Drag excavator, excavation for high and low plants, Springwells Station, Detroit water supply system
bh016930 Drag excavator, excavation for high and low plants, Springwells Station, Detroit water supply system
bh015696 Foundation excavation, low lift plant, Springwells Station treatment plant, Detroit water supply system
bh015695 Foundation excavation, low lift plant, Springwells Station treatment plant, Detroit water supply system
bh015694 Foundation excavation, low lift plant, Springwells Station treatment plant, Detroit water supply system
bh015693 Foundation excavation, low lift plant, Springwells Station treatment plant, Detroit water supply system