Supreme Court of North Dakota April 1969 casesFisher v. Mon Dak Truck Lines, Inc.Application of United States Crude Oil Purchas. Co.Christensen v. Midstate Aerial Applicators Corp.Lubbock Machine Supply v. Scranton Equity ExchangeIngalls v. BakkenHardy v. CunninghamWahpeton Public Sch. Dist. v. North Dakota Ed. Ass'n