Community High School District 155. ( Crystal Lake, Illinois United States)
Crystal Lake Community Consolidated School District 47. ( Crystal Lake, Illinois United States)
Crystal Lake, IL. ( Crystal Lake, Illinois United States) [Polaris]
McHenry County College. ( Crystal Lake, Illinois United States) [Alma]
Prairie Grove Community School District 46. ( Crystal Lake, Illinois United States)
indicates that the library participates in a consortium for its automation system.