This appeal has been heard and considered on the record and on the oral arguments and 'briefs of the attorneys for the respective parties;

And the findings of fact of the District Court being supported by substantial evidence and not clearly erroneous; the conclusions of law being correctly drawn; and the opinion of the district judge in support of his conclusion that appellants are not entitled to the relief sought by them in this proceeding being found logical and sound;

The judgment of the District Court is affirmed.