sentences:  This strike also led directly to Rocky Mountain Fuel Company's decision to unionize the workforce, and President Josephine Roche announced that she would recognize any union affiliated with the American Federation of Labor.In announcing this policy, President Roche avoided recognizing the radical IWW, which had successfully shut down 113 of the state's 125 coal mines.Thus, in 1928 the United Mine Workers was awarded its first contract in Colorado.