U. S. Army Corps of Engineers, Washington State University) Fryxell, Roald et al., A Human Skeleton from Sediments of Mid-Pinedale Age in Southeastern Washington (American Antiquity, 33, 1968) V. Steen-McIntyre, R. Fryxell, and H.E. Maude, Geological Evidence for Age of Deposits of Huetatlaco Archeological Site, Valsequillo, Mexico (Quaternary Research, 16, 1981) Fryxell, Roald, and Richard D. Daugherty, Demonstration of Techniques for Preserving Archaeological Stratigraphy (n.p., 1984) Sources Cocks, Elijah E.; Cocks, Josiah C. Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature (Tudor Publishers. 1995) . References External links Memorial to Roald Hilding Fryxell Roald H. Fryxell Memorial Geology Endowment 1934 births 1974 deaths 20th-century American geologists Washington State University faculty Augustana College (Illinois) alumni American people of Swedish descent 20th-century American archaeologists