ARM 12.11.4101. PARK COUNTY

(1) All rivers and streams in Park County east of the continental divide are closed to the use of all watercraft propelled by machinery of over 10 horsepower with the following exceptions: (a) on the Yellowstone River, downriver from Highway 89 bridge (near mouth of Shields River); and (b) the Shields River, which is closed to all motorized watercraft pursuant to ARM 12.11.633.