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Mining District Files
60008484
No
Memorandum regarding comparisons of Rosebud Mine and Pinion Mill Production data using several different methods; Included are mine/mill scatter plots, cumulative deviation in reported mill tons, silver, and gold ounces; In addition there are graphs presenting grade differences for both gold and silver
Pershing
360919.6651
4520426.215
40.823078
-118.649283
comparison; mine; mill; graph; scatter; plots; cumulative; deviation; gold; silver; ounces; tons; grade
GBSSRL/First floor
silver, gold
Yes
1998-10-23
Rosebud
Hecla Mining Company; Rosebud; Twin Creeks
Gene Pierson