Jim
There are 9 Native American casinos operating in South Dakota In addition to several other casinos in the town of Deadwood.
Nearly every bar in every town has video machines.
Rapid City and Pierre only has video machines, but the Prairie Wind Casino (Native American) is located in Pine Ridge. Check Greg's web site "thechipguide.com" for a describation of chips issued.

Where in South Dakota did you live and grow up?
Robert Todd