- CollectionG - PAHS Album Collection
- 41 more...
- ItemG-138 - La Colle Falls - "tail race excavation"
- ItemG-141 - La Colle Falls - "first breach in upstream coffer dam"
- ItemG-143 - La Colle Falls - "coffer dam removed"
- ItemG-142 - La Colle Falls - "blowing out coffer dam"
- ItemG-144 - La Colle Falls - "plant north bank of river"
- ItemG-145 - La Colle Falls - "looking upstream"
- ItemG-153 - La Colle Falls - "reinforcement in place"
- ItemG-147 - La Colle Falls - "erecting first crest and apron forms"
- ItemG-148 - La Colle Falls
- 50 more...