Mostrando 97 resultados
Archival description
La Colle Falls
La Colle Falls - "crack in north wall of lock"
La Colle Falls
La Colle Falls
La Colle Falls
La Colle Falls - "closure openings"
La Colle Falls - "tail race excavation"
La Colle Falls - "lock looking downstream"
La Colle Falls - "tail race excavation"
La Colle Falls - "first breach in upstream coffer dam"
La Colle Falls - "coffer dam removed"
La Colle Falls - "blowing out coffer dam"
La Colle Falls - "plant north bank of river"
La Colle Falls - "erecting first crest and apron forms"
La Colle Falls - "looking upstream"
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