- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- The Mill City hydro dam.
- The Mill City hydro dam.
- The Mill City hydro-electric power house.
- The Mill City hydro-electric power house.
- Inside the hydro-electric power house.
- The hydro turbine generators inside the Mill City power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- The Mill City hydro dam.
- The Mill City hydro-electric power house.
- A map of the Kilbourn(Wisconsin Dells) dam location in 1866.