Favorite this☆ bh017042 Man electrically testing pipe coating for defects, Detroit water supply system
Favorite this☆ bh017016 Shaft containing piping from drain #10, Waterworks Park, Detroit water supply system
Favorite this☆ bh016817 Water main joint on Dequindre near Nevada Street, Detroit water supply system
Favorite this☆ bh016816 Workers standing next to water main at Dequindre and Grixdale Streets, Detroit water supply system
Favorite this☆ bh016815 Workers standing next to water main at Dequindre and Grixdale Streets, Detroit water supply system
