Contact: Melissa Gray, (303) 492-1462 Carol Rowe, 492-3113 Nov. 21, 1997 The University Libraries at CU-Boulder have announced holiday closures, extended study hours for final exam week and intersession hours between the fall and spring semesters. For Thanksgiving, Norlin and the branch libraries will close at 5 p.m., Wednesday, Nov. 26, and reopen Friday, Nov. 28. Hours for the remainder of the holiday weekend will be from 10 a.m. to 5 p.m. Nov. 28 and Nov. 29, and noon to midnight Nov. 30.