Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Silver
at
American Express Mine (Rudolph Claims: Winneshiek; Greenough; Chance; Dolphin; Imperial Mine; Costello; Claim: Costello Fraction), Lead District, Lawrence Co., South Dakota, USA