Salt Lake City, UT: Utah Geological Society and Intermountain Association of Petroleum Geologists, 1965. Paperback. 177pp. Octavo [23 cm] Light yellow and black printed wraps. Very good. The covers are very lightly soiled and creased. The edges of the covers are gently bumped. The spine is subtly faded. There is a small numerical notation in pen at the head of the spine. There is an ink stamp on the front wrap. There is an ink stamp on the first page. Item #26367
With 4 maps in the rear pocket. Contributors include John C. Lawrence, Fred Peterson, and H. A. Waldrop.