The FIELD MANUAL of the AMERICAN ASSOCIATION of RAILROADS INTERCHANGE RULES (1977) is a comprehensive document detailing the rules and regulations governing railroad operations in the United States. Published in 1977, this manual provides essential information for train personnel, officials, and enthusiasts interested in the transportation industry. With a focus on the American Association of Railroads, this field manual offers valuable insights into the intricacies of railroad operations and serves as a valuable collectible item for those passionate about railroadiana and trains. See pictures for details and condition. Some writing on front and back cover and minor staining.