Mine detail: Unnamed Location

Previously called 'Rockridge Mine'

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Location

Lat / long:

39.69547, -122.12137

Resource(N)

Primary:

Sand and Gravel, Construction

Production

Operation type:	Surface
Development status:	Producer

Geology

References

MAS	60210052
DEP	10236138
Reference	{Deposit:: USGS QUAD HAMILTON CITY 1:24000 1950}{Deposit:: ALSO IN SECTION 26}
Reporter	Western Field Operations Center (WFOC)