Wheat Blockade In Dakota

St. Thomas, D. T., Dec. 7.- A wheat Mockade exista here. The railroads will not iuruish enonsrh cars to move the grain except at points where there are corupeting Unes. The Hanitoba has cars enough to move 32,000,000 bushels to terminal poiuts in iïiree months, but in that period thia year it has moved but 8,000,000.