Fryxell, Fritiof, 1900-1986.
Ferdinand Hayden : a young scientist in the great West, 1853-1855 / by Fritiof M. Fryxell ; edited by Richard C. Anderson, Phil Salstrom, and Paul Salstrom.
Detailed account of the early career of geologist Ferdinand Hayden, who explored the fossils of the Upper Missouri Country and Yellowstone.
Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 -- Travel -- Badlands (S.D. and Neb.)
Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 -- Travel -- Missouri.
Geologists -- United States -- Biography.
Geology -- United States -- History -- 19th century.
Indians of North America -- West (U.S.)
Badlands (S.D. and Neb.) -- Discovery and exploration.
Missouri -- Discovery and exploration.
Anderson, Richard C. (Richard Charles), 1930-2009.
Salstrom, Phil, 1938-
Salstrom, Paul, 1940-