	st lawrence seaway opens ping season the st lawrence seaway said the first  of the season passed through the st lambert lock here this morning officially opening the mile long waterway s ping season the seaway has said it expects little increase in freight levels this year from last year when it moved mln tonnes of freight between montreal and lake ontario and mln tonnes on the welland canal which links lake erie and lake ontario the canal is scheduled to open tomorrow officials expect the waterway to lose nine to ten mln canadian dlrs this year about the same as the estimated deficit for fiscal which ends today reuter 
