Show production OF SHINGLES CURTAILED chicago may 7 A dispatch to the inter ocean from Es canaba alch bays representatives of thirty one shingle manufacturing companies of northern wisconsin and the peninsula of michigan ander the name of the northwestern shingle manufacturers association have met here and agreed to cur all the production of shingles until the price of the product Is to the normal level the manufacturers claim they are unable to make shingles without loss at the present arlea and some mills may not open for work at all this season the price of shingles in the central west it was claimed by members of the association has been driven to a bed rock basis by shipping into the territory great quantities of shingles from the pacific coast |