Alfred & Nellie (McGinnis) Hendrickson had a homestead near there. They raised 4 children there, in the 1920-1930's. I haven't been able to find Mandan on current Atlases. Does anyone have the location and county where this town existed?
For more US, immigration & European ancestry, genealogy & family history research:
GermanGenealogist.com = Karl-Michael Sala = karlmsala@msn.com = 1-888-456-7252