Edwin R. Kinnear, 80, who worked as an engineer for both the government and in private industry before retiring in 1969, died of cardio pulmonary arrest Jan. 20 in a hospital in Ormond Beach, Fla.

Mr. Kinnear came to the Washington area in 1931 and worked as a soil conservation and flood control engineer for the Agriculture Department for 10 years. During much of World War II he worked in Ecuador for that government, then spent six years with the Export-Import Bank's South American division.

From 1950 to 1964, he worked in Latin America and Southeast Asia for private construction firms, which built pipelines and highways.

He then spent five years with the Agency for International Development before retiring as a deputy chief engineer in 1969.

Mr. Kinnear was a native of Columbus, Ohio, and was a 1922 graduate of Princeton University. He served with the Army in France during World War I and earned a Purple Heart.

Before coming to Washington he had worked as an engineer on private construction projects in Latin America and New York City.

Mr. Kinnear lived in the District of Columbia and then in Chevy Chase for about 30 years. He moved to Ormond Beach in the early 1970s.

He was a member of the Explorers Club and the American Society of Civil Engineers.

Survivors include his wife, the former Louise Lucas of Ormond Beach; a son, Edwin R. Jr., of Indian River, mich., and two daughters, Catherine K. Train of Norfolk, Va., and Louise K. Newstedt of Chevy Chase, and six grandchildren.