Oregon State College. Extension Service; Deschutes County (Or.); Long Range Planning Conference (1947 : Deschutes County, Or.)(Corvallis, Or. : Oregon State College. Extension Service, 1947-01-29)
Oregon State College. Extension Service; Deschutes County (Or.); Long Range Planning Conference (1924 : Deschutes County, Or.)(Corvallis, Or. : Oregon State College. Extension Service, 1924-02)
Oregon State University. Extension Service; Deschutes County (Or.); Long Range Planning Conference (1968 : Deschutes County, Or.)(Corvallis, Or. : Oregon State University. Extension Service, 1968)
Oregon State College. Extension Service; Deschutes County (Or.); Long Range Planning Conference (1936 : Deschutes County, Or.)(Corvallis, Or. : Oregon State College. Extension Service, 1936-02)
