Stratigraphy of mid-Cretaceous Blackleaf and lower part of the Frontier Formations in parts of Beaverhead and Madison Counties, Montana. By Thaddeus S. Dyman and Douglas J. Nichols
Contributors: Nichols, D.J.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 31
Subjects: Geology, Stratigraphic - Cretaceous; Geology - Montana - Beaverhead County; Geology - Montana - Madison County
Notes: 11