Cover Image

Type sections and stratigraphy of the members of the Blackleaf and Marias River Formations (Cretaceous) of the Sweetgrass arch, Montana : a report of a formal subdivision and age assignments of a classic Cretaceous area /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Cobban, William A., 1916-2015
Format: Government Document Book
Language:English
Series:Geological Survey professional paper ; 974.
Subjects:
Geology, Stratigraphic > Cretaceous.
Geology, Stratigraphic > Nomenclature > Montana.
Description
Item Description:Includes index.
Physical Description:iii, 66 pages : illustrations ; 29 cm.
Bibliography:Bibliography: pages 61-63.