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La Colle Falls - "operations on north shore"
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La Colle Falls - lowering a section
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La Colle Falls - dam construction building
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La Colle Falls - "framework n. wall of lock"
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La Colle Falls - "looking downstream"
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La Colle Falls - lowering section
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La Colle Falls - King George V
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La Colle Falls
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La Colle Falls - "tail race excavation"
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La Colle Falls
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La Colle Falls - "crack in north wall of lock"
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La Colle Falls
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La Colle Falls - "coffer dam removed"
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La Colle Falls - "reinforcement in place"
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La Colle Falls - "pant and excavation north bank"