South Dakota had an interstate highway exit called Big Foot Road. Are they claiming he lives in the state?

Jewel Cave National Monument SD
I wanted to visit this place because it is a national park. But, like Wind Cave and Caldsbad Caverns, I refuse to go INTO a cave. This park is #139 for me to visit.

Wind Cave National Park SD
I wanted to visit this place because it is a national park. But, like Jewel Cave and Caldsbad Caverns, I refuse to go INTO a cave. This park is #140 for me to visit.

Minute Man Missle National Historic Site SD
Another national park site visited. This one makes #141.