Favorite this☆ bh016600 Workers constructing floor slab, Waterworks Park, Detroit water supply system
Favorite this☆ bh016599 Workers reinforcing slab before concrete pour, Waterworks Park, Detroit water supply system
Favorite this☆ bh016598 Workers pouring concrete mud slab, Waterworks Park, Detroit water supply system
Favorite this☆ bh016597 Workers bailing water from casings, pouring concrete and driving pile casings, Waterworks Park, Detroit water supply system
Favorite this☆ bh016594 Workers on construction site before excavation, Waterworks Park, Detroit water supply system
Favorite this☆ bh016593 Shrub beds south of office building, Springwells Station, Detroit water supply system
Favorite this☆ bh016592 Weir chamber during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016585 Hydraulic cylinder for gate valve in wash water line, Waterworks Park, Detroit water supply system
