Colorado Marks U.S. Open Milestones 1938 U.S. Open, 1960 U.S. Open, 1978 U.S. Open, Andy North, Arnold Palmer, Ben Hogan, Cherry Hills, colorado, Gary Baines, Hale Irwin, Jack Nicklaus, Ralph Guldahl, Ray Ainsley Cherry Hills hosted state’s first major championship 75 years ago
