Additional Reading

Cater, F. W., 1966, Age of the Uncompahgre uplift and Unaweep Canyon,

west-central Colorado: U.S. Geol. Survey Prof. Paper 550-C, p.

C86-C92.

Everhart, W. C., 1972, The National Park Service, Praeger Library of

U.S. Government Departments and Agencies No. 13: New York,

Praeger Publishers, p. i-xii, 1-276.

Follansbee, Robert, 1929, Upper Colorado River and its utilization:

U.S. Geol. Survey Water-Supply Paper 617, 394 p.

Gilluly, James, Waters, A. C., and Woodford, A. O., 1975, Principles

of Geology [4th ed.]: San Francisco, W. H. Freeman & Co., 527

p.

Hansen, W. R., 1965, The Black Canyon of the Gunnison, today and

yesterday: U.S. Geol. Survey Bull. 1191, 76 p.

Harris, D. V., 1978, The geologic story of the national parks and

monuments [2nd ed.]: Ft. Collins, Colo., Colo. State Univ.

Foundation Press, 325 p.

Hunt, C. B., 1956, Cenozoic geology of the Colorado Plateau: U.S.

Geol. Survey Prof. Paper 279, 99 p.

Keefer, W. R., 1971, The geologic story of Yellowstone National Park,

illustrated by John R. Stacy: U.S. Geol. Survey Bull. 1347, 92

p.

Look, Al, 1951, In my back yard: The Univ. of Denver Press, 318 p.

—— 1955, 1,000 million years on the Colorado Plateau, land of uranium:

Denver, Colo., Bell Publications, 344 p.

Miller, P. H., and Coale, B. V., 1969, Colorado National Monument, a

fantastic landscape sculptured by erosion: Fruita, Colo., The

Colorado-Black Canyon of the Gunnison Nature Assoc., Inc., 73

p.

Peale, A. C., 1877, Geological report on the Grand River district

[Colorado], _in_ F. V. Hayden, U.S. Geol. Survey of the Terr.,

Ann. Rept. 9, 1875: p. 31-101.

[Illustration: Petroglyphs]

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