Denver, CO : For sale by U.S. Geological Survey Information Services
Additional/Related Title Information
West-east stratigraphic transect of Cretaceous rocks in the northern Rocky Mountains and Great Plains regions, southwestern Montana to southwestern Minnesota / U.S. Department of the Interior, U.S. Geological Survey ; by T.S. Dyman [and others].
Miscellaneous investigations series ; map I-2474-A Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2474-A.
Title from margin of envelope: Stratigraphic transect of Cretaceous rocks, southwestern Montana to southwestern Minnesota