Webster’s Revised Unabridged Dictionary · 1913
Ton mileage
Ton mileage. (Railroads) Ton miles collectively; esp., the total ton miles performed by a railroad in a given period.
Webster’s Revised Unabridged Dictionary · 1913
Ton mileage. (Railroads) Ton miles collectively; esp., the total ton miles performed by a railroad in a given period.