The Sioux quartzite and certain associated rocks Beyer, Samuel Walker 1865-1931 creator text bibliography iau Des Moines Published for the Iowa Geological Survey 1896 monographic eng
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vi p., 1 l., 69-112 p. illus., pl., 2 col. maps (1 fold.) 26 cm. At head of title: Iowa Geological survey, volume VI. Bibliographical foot-notes. Quartzite Petrology South Dakota Geology South Dakota QE475 .B58 Iowa. Geological Survey. [Reports and papers] v. 6 gs 05001150 Library, U.S. Geological Survey 930112 20260227111302.0 gs 05001150