Principles of railroad transportation /

Bibliographic Details
Main Author:	Johnson, Emory R. (Emory Richard), 1864-1950
Other Authors:	Van Metre, T. W. (Thurman William), 1884-1961
Format:	Book
Language:	English
Published:	New York, London : D. Appleton and company, [1921]
Series:	Appleton's railway series.
Subjects:	Railroads > United States. Railroads and state > United States.