From Fayette County, Her History and Her People by F. Lotto, 1902:
Roznov is about three miles east of Warrenton in the eastern portion of the county. The land is sandy postoak with a great many fertile lands in the Clear Creek and Cummings Creek bottoms. The population is largely Bohemian with some Germans among them. It is a postoffice, but not a voting precinct of the county. The people of Roznov vote at Warrenton. It consists of a store and saloon and a blacksmith shop. The oldest settlers of the neighborhood are Joe Weikel, John Halamicek, Fred Knutzen, Bernhard Cordes, Josepf Orsak, Joseph Cervenka.
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Julia and Charles J. Havlik, Sr. Home & Roznov School
The Havliks lived in the house on the left and Mr. Havlik taught in the white school house on the right.
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