Alkalic Rocks of Iron Hill Gunnison County, Colorado 3 Plates and 9 Figures.
Washington, D. C. United States Geological Survey, 1942. First Edition. Paperback. Unmarked. Some local and mild wear on some edges or corners. One folded plate in rear pocket. ; Book Description; Spine has staples. Pages are clean and not marred by notes or folds. Covers are square with wear as..... More





