The project was done with the approval and participation of well-known anthropologist Dr. Edgar Lee Hewett, and Virginia McClurg, founder of the Colorado Cliff Dwelling Association.
Cliff Richard | Jimmy Cliff | Cliff Robertson | Oak Cliff | Cliff Thorburn | Cliff Morgan | Cliff Michelmore | Cliff Curtis | Tony Cliff | Cliff Lee | Cliff Bastin | Cliff | Red Cliff | Cliff Stearns | Cliff Friend | Cliff Bleszinski | cliff | Red Cliff Air Station | Lake Manitou | Cliff Swain | Cliff Slaughter | Cliff Politte | Cliff House | Cliff Edwards | Cliff Couser | Cliff Burton | Cliff Barrows | The Manitou | South Manitou Island | Manitou |