Butcher, Devereux, Exploring Our National Parks and Monuments. Houghton Mifflin Co., Boston, 4th edition, 1954. In cloth or paper covers; illustrated; gives succinct information on all our parks with natural-history backgrounds. Shankland, Robert, Steve Mather of the National Parks. Alfred A. Knopf, New York, 1955. The evolution of the National Park System and the life of the first director of the National Park Service. Story, Isabelle, National Park Story in Pictures. Government Printing Office, Washington, D.C., 1957. Tilden, Freeman, The National Parks: What They Mean to You and Me. Alfred A. Knopf, New York, 1955. Factual material on the parks, their significance, origins, and characteristics.
APPENDIX A—GUIDE TO MAMMAL OBSERVATION
Hoofed Mammals
Bighorn (mountain sheep)—Best seen on Sheep Rock south of Poudre Lake; also at Sheep Lake, Shipler and Specimen Mountains, Hallett’s Peak, Mount Alice, Never Summer Range, Mount Ida.
Deer, Mule—Occasional in open pine country, especially early and late in the day. Hillside above Tuxedo Park, Moraine Park, Deer Mountain, Trail Ridge, and Kawuneeche Valley.
Elk, American—At treeline on Trail Ridge, Upper Poudre Valley, and near Lawn Lake in summer; occasionally in Hallowell and Horseshoe Parks during bad weather. Large herds in lower meadows from October to April.
Predatory Mammals
Badger—Occasional in Moraine Park and other open meadow areas.
Bear, black—Uncommon; infrequently observed along roads and trails and in wooded areas throughout the park.
Bobcat—Common, but in ravine country, especially at lower elevations.