Verlag: U.S. Geological Survey, 1951
Anbieter: Dunaway Books, St. Louis, MO, USA
Pamphlet. Zustand: Very Good. A map of 25' X 21' folds to 8-3/4'X10-3/4'. The resulting siz pages verso of the map have text. One very short closed edge tear, two very small separations at the fold intersections, small red 'X' on the lead page.