Ruth J. Kemper, a secretary for the National Park Service from the 1970s until her retirement in the mid-1980s, died Nov. 3 at her home in Springfield, Va. She was 91.

The cause was congestive heart failure, said her son-in-law, Tom Yedinak.

Ruth Evelyn Johnson was a native of Proctorville, Ohio, and grew up in Russell, Ky.

She moved to the Washington area in 1942 and worked for the Army Department’s Office of the Chief of Engineers during World War II.

She settled in Springfield in 1957 and was a member of a local bowling team. She was also a member of the National Association of Retired Federal Employees.

Her husband of 54 years, William A. Kemper, died in 2004. Survivors include two children, Karen Kemper of Alexandria and Ken Kemper of San Diego; and a granddaughter.

— Megan McDonough