Chester Fritz Library 4th of July weekend hours of operation The Chester Fritz Library will observe the following hours of operation for the 4th of July weekend: Thursday, July 2 - 7:45 a.m. to 9 p.m. Friday, July 3 - Library Closed Saturday, July 4 - Library Closed Sunday, July 5 - 5 to 9 p.m. -- Karen Cloud, Administrative Assistant, Chester Fritz Library, karencloud@mail.und.edu, 777-2618