- A run of the river small hydro-electric power plant from 1915.
- The Granite Creek Power Project Blueprint Page 2.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Woodward Governor Company's Hydro Market before selling out to the General Electric Company.
- Governor for the World Radio Missionary in Ecuador, circa 1980.
- The Woodward Governor Company's Hydro market share before they sold out to the General Electric Company.
- Page 14. WOODWARD MECHANICAL GOVERNOR APPLICATION,
- United States Hydroelectric Power House Market Share for the Woodward Governor Company, circa 1991.