Mine detail: Custer Mine

Previously called 'Double Rainbow Group'

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Location

Lat / long:

44.33413, -103.6389

Resource(M)

Primary:	Silver, Lead
Ore:	Galena, Lead, Silver

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer

Geology

Alteration processes:

A Few Inches Of Soft Oxidized Ore Overlay The Quartzite In This Area. The Quartzite Is Highly Impregnated With Oxides Of Manganese And Iron.

References

MRDS	SD02033
DEP	10055480
Reference	US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
Reporter	Barari, Rachel A.