Documentation and extensive maps explain the geology of dating, chemistry, mountain building, early life history, etc. Illustrated capsule of the complex and dynamic history of New Mexico. The Pictorial Encyclopedia of Railways. Crown Publishers, Inc., 1968. Depicts the world's railways, engines, cars, and equipment.
Illustrations document and compare rail engines, cars, and types of passage.
Fargis, Paul and Bykofsky, Sheree, eds. Prentice Hall General Reference, 1993. Comprehensive and illustrated compilation of sources and data, including state and park information. Franklin, Fay, ed. Crescent Books, 1981.