Shorter contributions to the stratigraphy and geochronology of Upper Cretaceous rocks in the Western Interior of the United States /  
U. S. Geological Survey. 
 - Washington:   United States Government Printing Office,   1995.  
 - iii, A10, B16, C6 p. :  ill., maps, tables ;  28 cm.  +1 diagr. 
 -  2113 .
<br/><br/> This volume is published as chapter A-C. These chapters are not available separately.  Conduct diagr.: Measured sections of the upper cretaceous upper part of the frontier formation and lower part of the beaverhead group, Lima Peaks area, southwestern montana and southeastern Idaho. 
<br/><br/>Includes bibliographical references (p. C5-C6). 
<br/><br/>A. Conglomerate facies and contact relationships of the Upper Cretaceous upper part of the Frontier Formation and lower part of the Beaverhead Group, Lima Peaks area, southwestern Montana and southeastern Idaho / by T. S. Dyman, J. C. Haley, and W. J. Perry, Jr. -- B. U-Pb ages of volcanogenic zircon from porcellanite beds in the Vaughn member of the mid-Cretaceous Blackleaf Formation, southwestern Montana / by R. E. Zartman...[et al.]. -- C. Occurrences of the free-swimming Upper Cretaceous crinoids Uintacrinus and Marsupites in the western interior of the United States / by William A. Cobban. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Cretaceous<br/>Geology--Montana
<br/><br/><label>Dewey Class. No.: </label>551.7709786