This study examines the nature and value of undergraduate students' experiences with the academic library. The data represent responses from more than 300,000 students between 1984 and 2002 to the College Student Experiences Questionnaire. Although library use did not appear to make independent contributions to desirable outcomes of college, such experiences were related to important educationally valuable activities. Because the emphasis a campus places on information literacy is a strong predictor of students becoming information literate, librarians should redouble their collaborative efforts to promote the value of information literacy and help create opportunities for students to evaluate the quality of the information they obtain.