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La Colle Falls - "operations on north shore"
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La Colle Falls - workmen on river
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La Colle Falls - lock
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La Colle Falls
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La Colle Falls - "south end of spillway completed"
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La Colle Falls - lowering a section
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La Colle Falls - "looking downstream"
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La Colle Falls
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La Colle Falls - "reinforcement in place"
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La Colle Falls - "pant and excavation north bank"
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La Colle Falls - "intake excavation and forms"
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La Colle Falls
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La Colle Falls - lock walls
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La Colle Falls - "lock breast wall"
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La Colle Falls - "Intake: first concrete"