Mine detail: Blackies Hill Claims

Previously called 'Nigger Hill Claims'

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Location

Lat / long:

40.45402, -122.74638

Resource(M)

Primary:	Manganese
Ore:	Psilomelane, Pyrolusite, Rhodonite
Discovery year:	1942

Production

Operation type:	Surface-Underground
Production size:	Small
Development status:	Producer

Geology

Host type:

Chert

References

MRDS	M020209
MAS	60890006
DEP	10109393
Reference	{Deposit:: D.O.M. Bulletin 152 1950 Pp. 266 - 267}{Deposit:: D.O.M. Bulletin 125 1943 P. 182}
Reporter	Killman, K.; Albers, J., Western Field Operations Center (WFOC)