Making Rocky Mountain National Park: The Environmental History of an American Treasure - Hardcoverby Jerry J. Frank (Author) On September 4, 1915, hundreds of people gathered in Estes Park, Colorado, to celebrate the creation of Rocky Mountain National Park. This new nature preserve held the promise of peace, solitude, and rapture that many city dwellers craved. As Jerry Frank demonstrates, however, the park is much more than a lovely place. Rocky Mountain National Park was a keystone in broader efforts to create the National Park Service, and its