Favorite this☆ bh016618 Workers placing butterfly valve in pump discharge line on base, Waterworks Park, Detroit water supply system
Favorite this☆ bh016550 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016568 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016569 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016570 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016571 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016561 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016562 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
Favorite this☆ bh016563 Boiler no. 7 during construction, Waterworks Park, Detroit water supply system
