GEOLOGY OF THE BIGHORN BASIN; BILLINGS, MONTANA, SPETEMBER 17-21, 1983: WYOMING GEOLOGICAL ASSOCIATION, 34th ANNUAL FIELD CONFERENCE GUIDEBOOK 1983
Wyoming Geological Association, 1983. Hardcover. 274 pages with photographs, maps, illustrations, charts and tables. Bound in original gold pebble cloth with lettering and illustration in black. A fine copy. More