Favorite this☆ bh017579 Hose connection and valve in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017578 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017577 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017575 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017574 Worker in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017573 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017572 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017571 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017570 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017569 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017568 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017567 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017566 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017565 Equipment in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017564 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017563 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017562 Workers in tunnel during construction, Lake Huron Station, Detroit water supply system
Favorite this☆ bh017561 Worker in tunnel during construction, Lake Huron Station, Detroit water supply system