The Hefty-Zumbrunnen Cheese Factory, RFD, Monticello, was located in Washington Township, Green County. August Martini was the cheesemaker, operating in the early 1900s, and later Henry T. Hefty and Julian Kiechli in the 1920s. The factory was destroyed by fire in July of 1933.
National Historic Cheesemaking Center: Hefty-Zumbrunnen to Pioneer Cheese Factory
