The Cornell Engineering Library serves the students, faculty and staff of the Cornell University College of Engineering, as well as the larger university and scholarly community. It serves the 15 schools of the College of Engineering and their approximately 3300 undergraduates, 2400 graduate students, 240 faculty, staff, and the many research centers thereof. Library liaisons are assigned from the library staff to each department. All engineering disciplines, computer science, and the earth and atmospheric sciences at the undergraduate and graduate level are included. The library, built in 1957, occupies the ground floor of Carpenter Hall and two sub-levels of the building.