Mont. Admin. r. 12.11.605Download PDFCurrent through Register Vol. 1, January 10, 2025Rule 12.11.605 - BIGHORN RIVER(1) Bighorn River is located in Big Horn County.(2) That portion of the Bighorn River from Afterbay Dam to the Bighorn access area is closed to use for any motor-propelled watercraft.Mont. Admin. r. 12.11.605NEW, 2001 MAR p. 18, Eff. 1/12/01.23-1-106, 87-1-303, MCA; IMP, 23-1-106, 87-1-303, MCA;