R. George and Dagney SllvolaSilvolaR. George and Dagney (Miller) Siivola of Colorado Springs celebrate their 50th wedding anniversary with a renewal of vows and a reception at First Lutheran Church today. They were married Dec. 16, 1944, in Fairbanks, Alaska. He is a public accountant. She is a homemaker. They have one son, Andre of Colorado Springs, one daughter, Karen Anderson of Sacramento, Calif., four grandchildren; and two great-grandchildren. f-