Stratified rocks of Grand Canyon. Grand Canyon National Park, Coconino County, Arizona. No date.
Summary
Album caption and index card: Stratified rocks of Grand Canyon. View north from head of Pigeon Wash: (R) Redwall Limestone; (S, 1) Supai Formation, lower cliff unit; (S, m) Supai Formation, middle cliff unit; (P) Pakoon Limestone. Grand Canyon National Park. Coconino County, Arizona. n.d. Published as Figure 10-B in U.S. Geological Survey. Professional Paper 669-B. 1969.
Summary
Album caption and index card: Stratified rocks of Grand Canyon. View north from head of Pigeon Wash: (R) Redwall Limestone; (S, 1) Supai Formation, lower cliff unit; (S, m) Supai Formation, middle cliff unit; (P) Pakoon Limestone. Grand Canyon National Park. Coconino County, Arizona. n.d.
Published as Figure 10-B in U.S. Geological Survey. Professional Paper 669-B. 1969.
Available in the U.S. Geological Survey, Denver Library Photographic Collection, McKee, E.D. Collection.
Rights
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