Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming and Montana

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Fox, J. E. 1943-, Higley, Debra K.
Format: Government Document Microfilm Map Book
Language:English
Published: [Reston, Va.?] : The Survey, 1987.
Series:U.S. Geological Survey open-file report ; 87-340-F.
Subjects:

Pennsylvania State Library - State Library sl docs US

Holdings details from Pennsylvania State Library - State Library sl docs US
Call Number: I 19.76:87-340-F

Temple - Main Remote GovDoc Micro

Holdings details from Temple - Main Remote GovDoc Micro
Call Number: I 19.76:87-340-F