- CROSS CUT HYDRO PLANT AZ 5
- C W Peak 1931
- Cabin Creek
- Cabin Creek ca 1967
- California
- Canyon Turbines
- Case Plant in 1920
- Catalog from the Water Power District
- Caterpiller Diesel Electric Engines in 1944
- Chenawatana Hydro project 2
- Chenawatana Hydro project 3
- Chenawatana Hydro project
- Cherokee MFG Company letter 2
- Cherokee MFG Company letter
- Childs Hydropower plant with a Woodward water wheel turbine governor