Mine detail: Metropolitan Portal Rock Stockpile

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Location

Lat / long:

33.90283, -116.78366

Resource(M)

Primary:	Magnesite
Discovery year:	1960

Production

Operation type:	Surface
Development status:	Plant
First production started:	1976

Geology

References

MAS	60650595
DEP	10261293
Reference	MSHA RPT DATED SEPT 1980.
Reporter	Wetzel, Nicholas