Big Butte

Historical marker location:

Blackfoot, Idaho

( Marker is at the intersection of U.S. 20 and Twin Buttes Road, on the right when traveling east on U.S. 20.)

Idaho was part of the Oregon Territory before it became a separate territory in 1863, and then a state in 1890. At the time, Idaho's borders were much larger than they are now, including parts of Wyoming and Montana.