Crystal Lake in Barron County, Wisconsin.

D. J. Angus and F.C. Angus in Wauwatosa Light Guard uniforms.

Dam on Onion River in Wisconsin.

Dam on the Onion River in Wisconsin.

Dam on the Onion River in Wisconsin.

Putting out a fire in Plymouth, Wisconsin.

Putting out a fire in Plymouth, Wisconsin.

Franc Oosterhouse in overalls with D.J. Angus in Waldo, Wisconsin.

Hemsing's store in Wauwatosa, Wisconsin.

Kahlenberg Brothers Company plant in Two Rivers, Wisconsin.

Angus' family friends Kathryn and Kenneth Eckhardt at home in Milwaukee.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.