Mine detail: Helman

Previously called ''

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Location

Lat / long:

34.6747, -118.46761

Resource(N)

Primary:

Graphite

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

References

MAS	60370373
DEP	10236535
Reference	CALIF. JOUR. MINES AND GEOL., V. 50, 1954, P. 668.
Reporter	Ridenour, James