This case came on to be heard upon the record and briefs and oral argument of counsel;

And it appearing that appellant conceded that only questions of fact are involved ;

And it appearing that the District Court, sitting without a jury, made careful and extensive findings of fact which are supported by substantial evidence;

It is ordered that the judgment of the District Court be and it is hereby affirmed for the reasons stated in the findings of fact and conclusions of law filed by the District Court.