Mine detail: Tunnel Rock

Previously called ''

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Location

Lat / long:

37.85962, -122.19994

Resource(N)

Primary:

Stone, Crushed/Broken

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

References

MRDS	M007230
DEP	10029585
Reference	CALIF. JOUR. MINES & GEOL. V. 54, NO. 4, OCT. 1958, PP. 552-3, 578, PL.
Reporter	Gere, W.