"North Dakota" . . . . . . . . . . . . . . . . . "Records and correspondence"@en . . . . . . . . . . . . "Conference papers and proceedings"@en . . . . . . . . . . . . . . . . . "Surveys (land)"@en . . . . . . . . . . . . "Press releases"@en . . . . . . . . "Red River Valley Region (Minn. and N.D.-Man.)" . . "Bismarck (N.D.)" . .