FULL PAGE ADS ARE APPROX 14" X 10” 1/4" 2 PAGE ADS ARE APPROX 14" X 20 1/4" HALF PAGE ADS ARE APPROX 14" X 5 1/4" . SANTA FE, CANADIAN PACIFIC, PENNSYLVANIA RAIL & NY CENTRAL. 1/4 PAGE ADS ARE APPROX 14" X 3" OR 5”x7” 1/8TH PG ADS ARE APPROX 7" X 3" .