Show MASON VALLEY Development Work Is Proving Up the Copper Ore Bodies Six men ae are now at work on the Mason Valley Copper property under the supervision of P F A A says the Yerington Ne Times This Is the old L Dyer Dor property Indications ae are very Ia fa for the of a lage large i low grade g copper deposit O On the Dewey Claim rr the old SP tunnel n has IJ been nt advanced di I to fit distance of 1 feet and a crosscut Is being run which is now In about u feet The entire t work o Isa Is in i low grade of or ore which wi wit run In th the neighborhood of 4 per cent cent In the crosscut the deposit is spattered with th high grade nde oxide ore the indications are ar that a body of this material m ma bo encountered short shortly On the claIm a a new tunnel his been advanCed about fifty te feet and Is of about the Ime same nature nl nb that In the he Dewey w y |