Mine detail: Colgrove Manganese

Previously called 'Fort Jones'

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Location

Lat / long: 41.60094, -122.84002

Resource(M)

Primary: Manganese

Production

Operation type: Unknown
Development status: Past Producer

Geology

References

MAS60930891
DEP10238836
Reference{Deposit:: CA JOUR MINES AND GEOL V 43 NO 4 OCT 1947 P 455 DOM BULL 152}{Deposit:: P 274; USGS QUAD FORT JONES, CA 1955}
ReporterWestern Field Operations Center (WFOC)