Principles of railroad transportation,
Johnson, Emory Richard, 1864- [from old catalog]
Principles of railroad transportation, - New York, London, D. Appleton and company, 1921. - xix, 617 p. illus. (incl. forms) maps, diagrs. 22 cm.
Railroads and state--United States.
Railroads--United States. [from old catalog]
HE1031 / .J65 1921
Principles of railroad transportation, - New York, London, D. Appleton and company, 1921. - xix, 617 p. illus. (incl. forms) maps, diagrs. 22 cm.
Railroads and state--United States.
Railroads--United States. [from old catalog]
HE1031 / .J65 1921