Jet Propulsion Laboratory Office of Flight Projects, Planning Office.

The records date from 1975 to 1985. In 1975 and 1976 Phil Barnett, Bill Ruhland and Ansel Berglund worked in different sections of Division 290, the Project Engineering Division. In 1977 Phil Barnett and Bill Ruhland moved to Division 200, the Office of Flight Projects. By 1978 Phil Barnett, Bill Ruhland and Ansel Berglund had all transferred to 201, the Planning office and continued working in 201 through 1985 which covers the period of these records.

From the description of JPL Flight Project Planning Office records, 1975-1985. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733106855