The Cordish Company today opened a temporary casino on the grounds of Indiana Downs, about 20 miles southeast of Indianapolis, Ind. Cordish also is part of a group, with the Hard Rock franchise, bidding to operate a state-owned casino at Kansas Speedway in Kansas City, Kan., that would be the nation’s fourth Hard Rock resort casino. In Indiana, competing Hoosier Park, about 25 miles northeast of Indianapolis opened its casino on the grounds last Monday.