TY - BOOK AU - Beyer,Samuel Walker TI - The Sioux quartzite and certain associated rocks AV - QE475 .B57 PY - 1896///] CY - [Des Moins KW - Quartzite KW - Petrology KW - South Dakota KW - Geology N1 - Life; Thesis (Ph. D.)--Johns Hopkins university; Bibliographical footnotes ER -