Carol Jean (Seitz) Bustamante 70, of Great Falls, a retired business owner, died of bone cancer on Monday, February 27, 2012 at a local nursing home.Cremation has taken place and no services are planned. Schnider Funeral Home is handling the arrangements.Carol is survived by her sons, Scott Byron and Mark Byron, both of Great Falls; and three grandchildren.Carol was preceded in death by her husband, Jerry Bustamante.