 Directly north of the building is the Library Quad , originally known as the East Quadrangle . The approximately 2 @.@ 6 @-@ acre ( 1 @.@ 1 ha ) area was laid out about 1910 and is part of the Oregon State University Historic District listed on the National Register of Historic Places in June 2008 . A bell tower , or campanile , was added on the eastern edge of the quad in 2001 . Dedicated to alumnus H. Dean Papé , the 68 @-@ foot ( 21 m ) tall tower has five bells and a clock . 
