Denver: Rocky Mountain Association of Geologists, 1955. First edition. Plastic comb binding. Item #40659
1955 Annual Spring Field Conference. The papers presented summarized current geological interpretations and data, served as an introduction to rock formations to occurrances of oil, uranim, and ground water for the layman, and provided a handy guide to rock units that extend into the subsurface of the Denver basin. 98 pages with the required three folded plates in the rear pocket. Owner's name on the front cover. A very good copy.