Washington DC: National Park Service [1975], 1975. First edition. Pamphlet. 8vo. 23 cm x 14.5 cm. [4], 1-55, [1] pp. Pamphlet. White wrappers printed in blue, pink, and red, illustrations and decorations on both the front and rear wrappers. Price of 85 cents on the verso of the front wrapper..... More