Mine detail: Roberts Sand Company

Previously called 'Black Diammond'

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Location

Lat / long: 37.9574, -121.88414

Resource(B)

Primary: Silica
Tertiary: Sand and Gravel, Construction

Production

Operation type: Surface
Development status: Past Producer

Geology

References

MRDSM007151
MAS60130012
DEP10259966
Reference{Deposit:: CALIF. JOUR. V.47, NO.4, OCT. 1951PP.583-4; V. 54, NO.4, OC}{Deposit:: P.580, PL. 5.}
ReporterWestern Field Operations Center (WFOC)