An obituary in Thursday's editions of The Washington Post on Thomas P. Holley, 47, who died of cancer Tuesday in Boise, Idaho, contained an error about his service in the Interior Department. Mr. Holley joined Interior in 1966 and was an aide to former Interior secretary Walter Hickel from 1969 to 1970.

Thomas P. Holley, 47, director of governmental affairs for the Boise-Cascade Corp. and an assistant to former secretary of the Interior Walter Hickel, died of cancer Tuesday at St. Alphonso Hospital in Boise, Idaho.

Mr. Holley was an administrative assistant to Rep. Walter Horan (R-Wash.) from 1956 to 1964.

In 1966, he began working for Secretary Hickel at the Department of the Interior. He was also the department's director of congressional affairs.

Mr. Holley, Hickel and five other versial purge of the Interior Department by then White House personnel chief Frederic V. Malek.

Mr. Holley then worked as vice president in charge of governmental affairs for the American Paper Institute in Washington.

In 1974, he joined the Boise-Cascade Corp. and was put in charge of its Washington office. He transferred to the home office in Boise in 1977, when he was named director of governmental affairs.

Mr. Holley was born in Billings, Mont. He served in the Army in the Korean conflict. After his discharge, he attended Gonzaga University in Spokane, Wash., and graduated in 1955.

He was a member of the Washington Golf & Country Club in Arlington, the American Paper Institute, the U.S. Chamber of Commerce, and St. John's Catholic Church in Boise.

Survivors include his wife, Patricia, and seven children, Kelly, Sandy, Kevin, Tim, Amy and Jeanne, all of the home in Boise, and his mother, Mrs. Thomas W. Holley, of Arlington.