Supreme Court of South Dakota January 1972 casesDonovan v. PowersCuster Co. Bd. of Ed. v. State Commission on Elementary & Secondary EducationBlack Hills Power & Light Co. v. SchuftLeroy et al. v. Rapid CityHeidemann v. RohlState Bd. Ed., Pollock D. v. Pfeifle S.comCorey v. KocerLehnert v. State Bd. of Dental ExamApplication of Williams