| Show Conspiracy for Coal Monopoly Is Charged WASHINGTON April 28 In 28 In a formal complaint by tho the federal trade commission the Northwestern Coal Dock Operators Operators' association of ot Minneapolis its officers and directors directors tors tons have been charged with conspiracy conspiracy conspiracy con con- to suppress competition and create a monopoly in the sale ol ot anthracite and bituminous coal at Rt wholesale and retail In Minnesota Wisconsin No North h Dakota South Dakota Dakota Dakota Da Da- Da- Da kota and Iowa The complaint alleges both a violation of ot the federal trade trado act because of ot unfair competition and of ot the Clayton act by b reason of ot price discrimination nation |