Dear Marlene,
with thanks for question the short answer to South Dakota:
WANZER and AULOSEN are small villages in the county named Altmark in the northern part of Saxony-Anhalt, district of Stendal. AULOSEN is the most northern community location in our federal country.
For more informations:
www.wanzer.de and www.aulosen.de (sites in German).
Yours
Detlef Haase