Description
Item Description:Title from title screen (viewed July 24, 2014).
"Prepared in cooperation with the Geological Survey of Wyoming and the Dept. of Geology of the University of Wyoming as part of a program of the Dept. of the Interior for development of the Missouri River basin."
Physical Description:1 online resource (vi, 99 pages, 9 pages of plates) : illustrations, maps, charts, photographs.
Bibliography:Includes bibliographical references (pages 91-96) and index.