La Colle Falls - "tail race excavation"
La Colle Falls - "blowing out coffer dam"
La Colle Falls
La Colle Falls
La Colle Falls
La Colle Falls - workmen on river
La Colle Falls - channel
La Colle Falls - lock
La Colle Falls
La Colle Falls - "south end of spillway completed"
La Colle Falls - building materials
La Colle Falls
La Colle Falls
La Colle Falls
La Colle Falls
