BILLINGS GEOLOGICAL SOCIETY GUIDEBOOK, THIRD ANNUAL FIELD CONFERENCE SEPTEMBER 4, 5, 6, 7, 1952; BLACK HILLS - WILLISTON BASIN
Billings, MT, Billings Geological Society, 1952. Hardcover. 178 pages with papers presented, road logs, maps, sections, graphs, photographs and company ads in the rear, plus the required three folded plates in the rear pocket. Bound in red pseudo leather impressed cloth lettered in gilt. Owners' names on the front free..... More