- Las Positas College Library Information | Quick Links | Online Catalog | Site Map | Student Links | Faculty Links | Internet Links June 1, 2002 - The Libary Catalog has been upgraded. You must click GUEST to enter. More changes to come! Summer 2002 Library Hours June 3 - June 13 Mon - Thurs: 12:00 - 5:00 pm June 17 - Aug. 8 Mon, Tue, Thurs: 10 am - 6:30 pm Wed: 10 am - 8 pm Fri, Sat, July 4 & ...lpc1.clpccd.cc.ca.us/lpc/lrc