Freight Schedules

WM Symbol Book 7 10-1-1956
WM Symbol Book 8 10-1-1961
WM Symbol Book 10 4-1-1968

Customers

PLE Jones and Laughlin Steel Inbound Iron Ore Loads 11-12-1974 – includes carloads of Brazilian iron imported through Port Covington

Other Resources

The Alphabet Route has summaries of Western Maryland symbols here.