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