Show I PROPORTIONAL GRAIN RAIL RATE RAISED By Oy United Press W WASHINGTON March 18 In In a tentative decision the interstate commerce commerce com corn merce commission today approved the Increase ase in proportional rates on grain product shipments from Minneapolis Minn transfers and St St. Paul to Lake Laite Michigan ports for tor forwarding by wah wa wa- h ten ter The old rates were S 83 3 cents for domestic domestic do do- do- do shipments and 8 81 1 for export The new rates are sere 9 93 3 cents for domestic domestic domestic do do- and 9 cents for exports S Railroads chiefly concerned are the Rock Island Pacific and the Minneapolis Minneapolis Minne Minne- apolis ft for St. St Louis |