Socorro, NM: New Mexico Bureau of Mines & Mineral Resources, 1976. Softcover. Item #48124
Summerizes who has done what and where on the Precambrian geology of New Mexico, delineates existing geologic mapping that includes Precambrian rocks, and indicates the extent to which the Precambrian has been subdivided on each map. 90 pages with subject index, plus the two folded map plates and two errata slips in the rear pocket. Bound in original blue and white stiff paper covers. A fine and fright copy. Appears unused.