50

CoreID: 
364 914

Those portions of BLAINE, BUTTE, and CUSTER COUNTIES within the Big Lost River drainage north of U.S. 20-26 and State Highway 33, and the area east of Lava Lake and Copper Creek and north of U.S. 20-26. CRATERS OF THE MOON NATIONAL MONUMENT-CLOSED.

MasterID: 
64
Acres: 
1 056 123.00