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Mining District Files
60008488
No
Memorandum regarding comments and questions on the review of sampling at Rosebud; The report includes metallurgical balance data, laboratory reliability, losses during underground drilling, assay results, mine stockpile, and conclusions and recommendations; The second memorandum touches on sample requests for mill slurry samples; Attached are graphs presenting cumulative gold ounces and mine vs. mill gold ounces
Pershing
360919.6651
4520426.215
40.823078
-118.649283
memorandum; comments; questions; sampling; metallurgical; balance; laboratory; losses; drilling; assay; results; mine; stockpile; conclusions; sample; requests; graphs; cumulative; ounces; mill; ounces
GBSSRL/First floor
silver, gold
Yes
1997-04-00 / 1998-08-24
Rosebud
The Rosebud Mining Company LLC; Hecla Mining Company; Newmont Gold Company; Twin Creeks Mine; American Assay Laboratory
Ron Clayton