- 1861 MAP
- 1911 coffer dam
- 1911 pile driver
- 1911 Praire de Sac dam location. 2
- 1911 Praire de Sac dam location. 3
- 1911 Praire de Sac dam location. 4
- 1911 Praire de Sac dam location
- 1911 Praire de Sac
- 1911 railroad car
- 1911 Praire de Sac dam location. 4
- 1911 Praire de Sac dam location. 3
- 1911 Praire de Sac
- 1911 railroad car
- 1912
- 1913 vie of the switchboard room area.