La Colle Falls - "first breach in upstream coffer dam"
La Colle Falls - "framework n. wall of lock"
La Colle Falls - "intake excavation and forms"
La Colle Falls - "Intake: first concrete"
La Colle Falls - "Intake: first concrete"
La Colle Falls - "intake floor"
La Colle Falls - King George V
La Colle Falls - lock
La Colle Falls - "lock and dam looking upstream"
La Colle Falls - "lock breast wall"
La Colle Falls - "lock looking downstream"
La Colle Falls - "lock looking upstream"
La Colle Falls - "lock looking upstream"
La Colle Falls - lock walls
La Colle Falls - "looking downstream"
