Digitized audio recording of an oral history interview with Julia E. Johnson, conducted in five sessions, from July 20 to November 11, 1987, with five accompanying digitized photographs. Johnson discusses her early life in Jacksonville, Oregon; the operations of the Opp mine, which was owned and operated by her father, John Wesley Opp; teaching at Grant High School in Portland from 1926 to 1944; her involvement with the Girl Scouts of America; and her involvement with the Republican Party of Oregon.