Spring 1989
Presence of rounded boulders and large cobbles at base of White River Group (Oligocene) strata in Southwest North Dakota and Northwest South Dakota
Eric N. Clausen
Distribution of the Planomalinidae and the Schackoinidae in Upper Cretaceous strata of the Western Interior
William E. Frerichs
Stratigraphic occurrence of rodents and lagomorphs in the Orella Member, Brule Formation (Oligocene), northwestern Nebraska
William W. Korth
Diagenetic pathways of sandstone and shale sequences
Ronald C. Surdam; Donald B. MacGowan; Thomas L. Dunn
Stratigraphy, sedimentary structures, and petrology of the middle Proterozoic Castner Marble, Franklin Mountains, far West Texas
William F. Thomann; Robin L. Hoffer
Price
$12.00