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Mining District Files
60008477
No
Memorandum/correspondence between Charlie Muerhoff and Ron Clayton addressing the bulk density / tonnage factor issue; Three datasets pertaining to bulk density measurements are listed; In addition, a tonnage factor comparison is presented
Pershing
360919.6651
4520426.215
40.823078
-118.649283
correspondence; bulk; density; tonnage; factor; comparison
GBSSRL/First floor
Yes
1996-07-01
Rosebud
Hecla Mining Company; Rosebud Project
Charlie Muerhoff