Composition, clay mineralogy ,and diagenesis of the Simpson Group (Middle Ordovician), Grady County, Oklahoma /
Pollastro, Richard M.
[Washington] : U.S. G.P.O. ; Denver, CO : For sale by Books and Open-File Reports Section, U.S. Geological Survey,
1991.
Includes bibliographical references (p. 16-19).
Sandstone
Geology, Stratigraphic
Geology
Geology