Anson Day Marston, 78, a retired Army colonel and a former dean of engineering at the Omaha campus of the University of Nebraska, died June 7 at the Veterans Administration Hospital at Perry Point, Md. He had Alzheimer's disease.

Col. Marston, who lived in Annapolis, was born in Ames, Iowa. He took a bachelor's degree in civil engineering at Iowa State University and a master's in the same subject at the University of Wisconsin. Prior to World War II, he worked for the Kansas City Power and Light Co.

During the war, he served in the Army Corps of Engineers in North Africa and Europe. He also served in the Korean conflict. He retired in 1960 and joined the University of Nebraska. From 1968 until 1979, when he moved to Annapolis, he was chairman of the Omaha city planning board.

Col. Marston's military decorations included two Legions of Merit, two Bronze Stars and honors from France, Britain and Korea.

His first wife, Virginia Hibbard Marston, died in 1973.

Survivors include his wife, Margaret, of Annapolis; two children by his first marriage, Alice Barney of Springfield, Va., and Lucy Carruthers of Los Alamos, N.M., and six grandchildren.