Configuration of the Bedrock Surface of the District of Columbia and Vicinity.
Washington, D. C. U. S. Geological Survey, 1950. First Edition. Hardcover. Unmarked. Four folded place in rear pocket. Corners are bumped or mildly worn. Book has appearance of light use with no easily noticeable wear. ; Book Description; Spine has staples. Pages are clean and not marred by notes or..... More


