TY - BOOK AU - Howard,Arthur David TI - History of the grand canyon of the Yellowstone, T2 - Geological Society of America. Special papers, AV - QE1 .H69 1937 PY - 1937/// CY - New York PB - The Society KW - Geology KW - Yellowstone National Park KW - Yellowstone River Valley KW - Geology, Stratigraphic KW - Pleistocene N1 - Vita; Contributions from the Department of Geology, Columbia University, v. 54, no. 1; Thesis (Ph. D.)--Columbia university, 1967; "Part II. Pleistocene history of the grand canyon of the Yellowstone, was awarded the A. Cressy Morrison prize in natural science in 1935, by the New York academy of sciences."--p.vi; "Selected bibliography on Yellowstone national park": p. 155-156 ER -