The heart of the railroad problemNote 202 — Chapter XX · FREE CARTAGE, STATE TRAFFIC, DEMURRAGE, THE EXPENSE BILL SYSTEM, GOODS NOT BILLED, MILLING-IN-TRANSIT.Reading editionInd. Com. iv, 54.◇Copy noteReturn to CHAPTER XX. FREE CARTAGE, STATE TRAFFIC, DEMURRAGE, THE EXPENSE BILL SYSTEM, GOODS NOT BILLED, MILLING-IN-TRANSIT.