Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1955. Softcover. Item #45759
A description of layered deposits of chromite in the ultramafic rocks, and an estimate of their commercial importance. Pages 99 through 121. All four maps are in the rear pocket. Bound in the standard origianl gray stiff paper with printing in black. Two short splits to the cover at the upper and lower ends of the spine. A very good copy.