Mine detail: Grass Valley Ext

Previously called ''

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Location

Lat / long:

39.25433, -121.10743

Resource(M)

Primary:	Gold
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

References

MRDS	C011171
DEP	10101239
Reference	LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 402
Reporter	Bowman, J. And Albers, J.