Evaluation of the U.S. Railway Association's preliminary system plan :
supplemental report : report of the Rail Services Planning Office to the U.S. Railway Association.

APA Citation

United States. Rail Services Planning Office., United States Railway Association. (1975). Evaluation of the U.S. Railway Association's preliminary system plan: supplemental report : report of the Rail Services Planning Office to the U.S. Railway Association. Washington, D.C.: Interstate Commerce Commission.

MLA Citation

United States. Rail Services Planning Office, and United States Railway Association. Evaluation of the U.S. Railway Association's Preliminary System Plan: Supplemental Report : Report of the Rail Services Planning Office to the U.S. Railway Association. Washington, D.C.: Interstate Commerce Commission, 1975.