Favorite this☆ bh017019 Interior floor and hatch of intake crib cupola, Waterworks Park, Detroit water supply system
Favorite this☆ bh017016 Shaft containing piping from drain #10, Waterworks Park, Detroit water supply system
Favorite this☆ bh017014 Felt insulation on intake crib roof, Waterworks Park, Detroit water supply system
Favorite this☆ bh017013 Workers installing felt insulation on intake crib roof, Waterworks Park, Detroit water supply system
Favorite this☆ bh017006 Workers placing plywood sheathing on high lift roof, Waterworks Park, Detroit water supply system
