Geology of Pre-Tertiary Rocks in the Northern Part of Yellowstone National Park, Wyoming

by David Gottfried, Edward Thompson Ruppel, Harry Wynn Smedes, James Rogers Gill, John David Love, Richard G. Baker, Robert L. Christiansen, Harold J. Prostka, Horace Richard Blank, Jack James Rowe, William Aubrey Cobban, William R. Keefer, Leonard Gene Schultz, Robert I. Tilling · 1972