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Mine detail: Callahan Prospect
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North America
United States
California
Calaveras
Previously called ''
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Location
Lat / long:
37.9813, -120.75018
Resource(M)
Tertiary:
Manganese
Ore:
Psilomelane, Rhodonite
Production
Operation type:
Unknown
Production size:
None
Development status:
Prospect
Geology
References
MRDS
M005737
DEP
10028640
Reference
{Deposit:: CALIF. B. 152,P. 40-41; B. 125, P. 106}{Deposit:: EC. MINERAL MAP NO. 5, 1943}{Deposit:: USBM R.I. 5579, P. 22}{Deposit:: CALIF. COUNTY REPT. NO. 2 , P. 211 AND PL. D; USGS MR-23}
Reporter
Gere, W., Von Dohlen, E.; Albers, J.