Black BearaTwenty men are now at work on this mine. under supervision of John Daggett. and one of the old shafts is being ... HeadlightaAt this property, Carrville, owned by the Trinity Mining and Reduction Company, it is intended to add 60 ... David Goodale is manager. ... at the American Nettie mill, at Ouray. which is being overhauled to treat the ore from the Black Diamond and Ironclad mines.
|Title||:||E/MJ, Engineering and Mining Journal|