La Colle Falls - "plant north bank of river"
La Colle Falls - "pant and excavation north bank"
La Colle Falls - "panorama looking upstream"
La Colle Falls - "panorama looking upstream"
La Colle Falls - "operations on north shore"
La Colle Falls - on bank construction
La Colle Falls - "moving forms"
La Colle Falls - "moving crest or apron form"
La Colle Falls - "mitre sill lock"
La Colle Falls - lowering section
La Colle Falls - lowering section
La Colle Falls - lowering construction materials
La Colle Falls - lowering a section
La Colle Falls - lowering a piece of equipment
La Colle Falls - "looking upstream"