The purpose of the LaSalle County Historical Society, as described in its certificate of incorporation, is “To search out, procure and preserve in permanent form, facts and data in the history of the County of LaSalle as related to persons, places and all objects therein. In order to meet said purpose, the primary duty of the Society shall be to discover, collect, and preserve any facts or relics pertaining to the history of LaSalle County and to encourage the study of LaSalle County heritage, its times and people.”