Why did they choose the Black Hills for Building Mt. Rushmore?

Question: Why did they choose the Black Hills for Building Mt!. Rushmore!?

Anyone Know!? I'm very curious!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Just another way to slap us in the face putting that thing in our most holy place
Like carving Hitler's image in a Jewish churchWww@QuestionHome@Com

The composition of the rock in the mountain was the determining factor I believe!. Not all rock is conducive to being sculpted!.Www@QuestionHome@Com