In the case of state v. Ringquist, was this case a function of the federal or state court system?

What was the jurisdiction and what was the original venue of the case?In the case of state v. Ringquist, was this case a function of the federal or state court system?
The case was an appeal by the State of North Dakota from a district court order suppressing evidence obtained during a search of Richard Allen Ringquist's apartment, pursuant to a search warrant issued by the Stark County Court.





The case was heard by the North Dakota Supreme Court, which reversed and remanded the district court order. State v. Ringquist, 433 N.W.2d 207 (N.D. 1988).





The case was decided under the North Dakota constitution, with the state Supreme Court agreeing that the standard enunciated by the US Supreme Court in Illinois vs. Gates (totality of the circumstances) is the appropriate test for issuance of a warrant under the state consitution.