Correlation of geologic formations between east-central Colorado, central Wyoming and southern Montana
By: Willis T. Lee.
Publisher: Gov't. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 80
Subjects: Geology -- Colorado.; Geology -- Wyoming.; Geology -- Montana.
Notes: Bibliography:  p.3-4.
At head of title:  Department of the Interior.