The Dairy Barn was constructed in 1909 by architect John Bennes and became the Agricultural Utilities Building in 1938. The building was used by the Agricultural Engineering, Horticulture, and Computer Science departments, as well as by the United States Department of Agriculture. The Agricultural Utilities Building was demolished in 1989 to make way for the Agricultural and Life Sciences Building. Pillars from the original building are still visible in the basement of the new building

SCARC: The Special Collections and Archives Research Center holds a variety of collections pertaining to the Agricultural Utilities Building, including a partial architectural drawing, maps, photographs, and university records. The general catalogue from the 1908-1909 academic year includes a description of the newly constructed building. 

Oregon Digital: Oregon Digital Holds primarily textual evidence relating to the Agricultural Utilities Building.