From the time of Sitting Bull and Crazy Horse, the time when Custer first invaded the sacred Black Hills, ancient forces issued a warning to those who came with a black spirit. In the summer of 1874, Lieutenant Colonel George Custer led his expedition through, what is now, the Northwest corner of South Dakota, on his way into the Black Hills. The land, protected against invasion by the Fort Laramie Treaty of 1868, was a place of hostile beauty and...