Schell, E. M. Stratigraphic sections and chemical analyses permian and Mississippian age in Weber county, Utah / by E. M. Schell and K. P. Moore - Washington, D.C. : U.S. Geological Survey, 1970 - iii, 11 p. ; 26 cm. Subjects--Topical Terms: Geology, Stratigraphic--United States--MississippianGeology--United States--Mississippian Dewey Class. No.: 551.7209777