Description
| Item Description: | "Prepared in cooperation with the Geological Survey of Wyoming and the Department of Geology of the University of Wyoming as part of a program of the Department of the Interior for development of the Missouri River basin. Cenozoic history of a major mountain range and its influence on stratigraphy and economic resources in adjacent sedimentary basins." Text and fold. illustrative matter issued in portfolio. |
| Physical Description: | viii, 154 pages : illustrations, 4 folded maps. (part color) ; 29 cm. |
| Bibliography: | Bibliography: pages 142-148. |