Notable structures include Old Main, the college's first building, as well as the Merrill-Cazier Library, the 305,000 sq ft (28,300 m2) main university library, which houses more than 1,800,000 total volumes.[72] The library also boasts an extensive special collections and archives area, an automated storage and retrieval system, and more than 150 workstations and 33 group study rooms.[73][74] Also notable is the Manon Caine Russell-Kathryn Caine Wanlass Performance Hall, said to contain some of the best acoustics in the entire Western United States.[4]