Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1960. Softcover. Item #49183
A study of the structures in a belt of upturned layered noritic and ultramafic Precambrian rock on the northeast margin of the Beartooth Mountains. Pages 282 through 340 with sections, maps, phtographs, refernces and index, plus two of three folded plates in the rear pocket. Bound in original greenish thick paper covers printed in black. Mild fade along the spine. A very good plus copy.