About: Jennie King Mellon Library JKM Library Website Library Hours: Monday-Thursday: 7:45am-12:00am Friday: 7:45am-7:00pm Saturday: 8:00am-7:00pm Sunday: 12:00pm-12:00am Phone: 412-365-1670 Text Us for Research Help: 724-919-4645 Email: jkmref@chatham.edu Staff Directory Library Map Library Subject Guides