. . "Collection in Special Collections & Archives Research Center, Oregon State University Libraries."@en . . "Lehi F. Hintze Geological Reconnaissance Maps of Oregon, 1936-1958 (MAPS Hintze)"@en . . "2015-06-18"^^ . "2015-07-16"^^ . "2015-06-18"^^ . "2015-07-16"^^ .