- Stewards of the Wisconsin.
- Stewards of the Wisconsin River.
- WISCONSIN RIVER OF HISTORY, CIRCA 1860'S.
- WISCONSIN RIVER OF HISTORY.
- THE FIRST MAJOR HYDRO PROJECT ON THE THE WISCONSIN RIVER SYSTEM.
- THE RIVERS OF WISCONSIN.
- GENERAL DRAINAGE MAP of WISCONSIN.
- A 1919 advertisement from the collection.
- The Woodward Governor Company's Hydro Governor Market Share in 1991.
- The Woodward Governor Company's Hydro Governor Market Share in 1991.
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- 1
- WISCONSIN HISTORY MAP.
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- THE WATER POWERS OF WISCONSIN.