Contributions to Economic Geology (Short Papers and Preliminary Reports) 1923-1924, Part II
Washington, D. C. , U. S. Geological Survey, 1925. First Edition. Hardcover. Two large folded maps. Pocket is brittle and has broken. Usgs STAMPS. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships..... More