 CLEVELAND, June 18, 2021 PRNewswire -- NACCO Industries, Inc. NYSE: NC announced today that it received notification on June 17, 2021 that the contract mining agreement between Bisti Fuels Company, a wholly owned subsidiary of NACCO, and the Navajo Transitional Energy Company NTEC will be terminated effective September 30, 2021. Bisti Fuels currently supplies coal from the Navajo Mine to the Four Corners Power Plant through the agreement with NTEC. 