Oriel, Steven S., and Frank C. Armstrong

UPPERMOST PRECAMBRIAN AND LOWEST CAMBRIAN ROCKS IN SOUTHEASTERN IDAHO: PROFESSIONAL PAPER 394

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1971. Soft cover. Very good plus. Item #43870

Contrasts in rock sequences in the Bancroft, Soda Springs, and Preston quadrangles require new units for, and modified usages of, the names Brigham, Langston, and Ute. 52 pages with map, section, refernces and index, plus the six folded plates in the rear pocket. ound in original light gray paper covers with printing in black. Short tears at the spine ends. Owner's signatures on the front cover. A very good plus copy.

Price: $25.00