http://hdl.handle.net/1957/9586 Sun, 26 May 2013 07:32:29 GMT 2013-05-26T07:32:29Z http://hdl.handle.net/1957/9640 Yamhill County, Oregon : resource atlas : natural, human, economic, public Oregon State University. Extension Service; Scharback, Ron Fri, 01 Jun 1973 00:00:00 GMT http://hdl.handle.net/1957/9640 1973-06-01T00:00:00Z http://hdl.handle.net/1957/9639 Wheeler County, Oregon : resource atlas : natural, human, economic, public Oregon State University. Extension Service; Scharback, Ron Sun, 01 Apr 1973 00:00:00 GMT http://hdl.handle.net/1957/9639 1973-04-01T00:00:00Z http://hdl.handle.net/1957/9638 Washington County, Oregon : resource atlas : natural, human, economic, public Oregon State University. Extension Service; Ruttle, Marilyn Fri, 01 Mar 1974 00:00:00 GMT http://hdl.handle.net/1957/9638 1974-03-01T00:00:00Z http://hdl.handle.net/1957/9637 Wasco County, Oregon : resource atlas : natural, human, economic, public Oregon State University. Extension Service; Valde, Gary Mon, 01 Oct 1973 00:00:00 GMT http://hdl.handle.net/1957/9637 1973-10-01T00:00:00Z