Acme Lode ClaimOccurrence •
|
Antonia ClaimOccurrence • Manganese
|
Billy Goat ProspectProducer • Manganese
|
Black Bear MineOccurrence • Manganese
|
Blackbird ClaimOccurrence • Manganese
|
Cedar Tree Claims 1 and 2Occurrence • Manganese
|
Davenport ProspectOccurrence • Manganese
|
Davenport and Smith PropertyOccurrence • Manganese
|
Deforest ProspectOccurrence •
|
Fable MineOccurrence •
|
Frankel ProspectOccurrence •
|
Great Expectation MineOccurrence •
|
Keller Brothers ProspectOccurrence •
|
Kelley ProspectOccurrence •
|
Lopez ProspectOccurrence •
|
May Be ClaimOccurrence •
|
Mexican ProspectOccurrence •
|
Newsom ProspectOccurrence •
|
Section 28Occurrence • Manganese
|
Turner DepositProducer • Manganese
|
Laguna Sera RanchOccurrence •
|
Masson RanchOccurrence •
|
Palo Alto Sewage SludgeOccurrence • Gold, Silver, Phosphorus-Phosphates
|
BernalPast Producer • Mercury
|
BrainardOccurrence •
|
BowieOccurrence • Mercury
|
Chaboya - HillsdalePast Producer • Mercury
|
GuadalupeProducer • Mercury
|
New AlmadenPast Producer • Mercury
|
New Almaden - Cora Blanca AreaPast Producer • Mercury
|
New Almaden - Harry AreaPast Producer • Mercury
|
New Almaden - Central Stope AreaPast Producer • Mercury
|
New Almaden - Victoria AreaPast Producer • Mercury
|
New Almaden - North RandolPast Producer • Mercury
|
New Almaden - San Francisco AreaPast Producer • Mercury
|
New Almaden - Santa Mariana AreaPast Producer • Mercury
|
AmericanPast Producer • Mercury
|
ProvidenciaPast Producer • Mercury
|
EnriquitaPast Producer • Mercury
|
San AntonioPast Producer • Mercury
|
San MateoPast Producer • Mercury
|
Deep Gulch PlacerPast Producer • Mercury
|
Santa ClaraPast Producer • Mercury
|
Santa TeresaPast Producer • Mercury
|
Tilton RanchOccurrence • Mercury
|
WrightPast Producer • Mercury
|
RiandaPast Producer • Mercury
|
Silver CreekPast Producer • Mercury
|
Bay Cities Water Co.Occurrence • Chromium
|
Bonetti MineOccurrence • Chromium
|
Ferraro ProspectOccurrence • Chromium
|
Yates LeaseOccurrence • Chromium
|
Laurel Lake Ranch DepositsPast Producer • Chromium
|
Mount Hamilton MineOccurrence •
|
New AlmadenProducer • Mercury
|
ComstockProducer • Mercury
|
KellerProducer • Manganese
|
CottonwoodProducer • Manganese
|
Rmca GroupProducer • Manganese
|
Western MinesProducer • Magnesite
|
Western Magnesite Co. PropertyProducer • Chromium
|
WinshipProducer • Chromium
|
Pine RidgeProducer • Manganese
|
SecurityProducer • Magnesite
|
Doak #2Producer • Manganese
|
WinegarProducer • Manganese
|
PulseProducer • Manganese
|
A. M. Kelley ProspectOccurrence •
|
O:Connell Bros.Producer • Magnesite
|
Unnamed LocationProducer • Mercury
|
Santa Clara Sand & GravelPast Producer • Sand and Gravel, Construction
|
Bradford RanchProducer • Magnesite
|
Wallace RanchOccurrence •
|
MccoyProducer • Manganese
|
New AlmadenProducer • Copper
|
New Almaden Placers & DumpsProducer • Mercury
|
Permanente Metals Corp.Producer • Stone, Crushed/Broken
|
Kilday Ranch DepositsProducer • Chromium
|
Guadalupe Lime Co.Producer • Calcium
|
Oak HillProducer • Stone
|
PiazzaPast Producer • Sand and Gravel, Construction
|
Stanford QuarryProducer • Stone
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
RaischePast Producer • Sand and Gravel, Construction
|
Lone HillProducer • Stone
|
HillsdaleProducer • Mercury
|
SmithProducer • Chromium
|
Gladding Bros. Mfg. Co.Past Producer • Clay
|
Remillard-Dandini Co.Past Producer • Clay
|
San JoseProducer • Manganese
|
Garden City Pottery Co.Past Producer • Clay
|
Fredrickson-WetsonProducer • Stone
|
New Page Mill QuarriesProducer • Stone
|
Permanente Cement Co.Past Producer • Calcium
|
Commercial MaterialsProducer • Stone, Crushed/Broken
|
Sondgrath Bros.Producer • Stone, Crushed/Broken
|
Unnamed LocationProducer • Mercury
|
Greenwalls PropertyProducer • Chromium
|
Hooker CreekOccurrence •
|
Los Gatos Sand & Gravel Co.Past Producer • Sand and Gravel, Construction
|
San Jose Brick & Tile Co.Past Producer • Clay
|
Western Gravel Co.Past Producer • Sand and Gravel, Construction
|
Sand & Gravel PitPast Producer • Sand and Gravel, Construction
|
Uvas PitPast Producer • Sand and Gravel, Construction
|
Sand & Gravel PitPast Producer • Sand and Gravel, Construction
|
Neary Rock QuarryProducer • Stone
|
QuarryProducer • Stone
|
Mammouth MineOccurrence •
|
Triple Jump ClaimOccurrence •
|
Ramelli ProspectOccurrence • Chromium
|
New Almaden - Velasco AreaPast Producer • Mercury
|
New Almaden - South RandolPast Producer • Mercury
|
New Almaden - San Pedro-Almaden AreaPast Producer • Mercury
|
SenatorPast Producer • Mercury
|
ComstockPast Producer • Mercury
|
*onnell MinePast Producer • Chromium
|
Ala Mountain MineProducer • Manganese
|
Black EagleProducer • Manganese
|
Unnamed LocationProducer • Mercury
|
Black HorseProducer • Manganese
|
Queen Bee No 1 ClaimProducer • Manganese
|
Jones GroupProducer • Manganese
|
Western MineProducer • Magnesite
|
PennsylvaniaProducer • Manganese
|
Western MineProducer • Magnesite
|
Fidelity DepositProducer • Magnesite
|
WinshipProducer • Manganese
|
Morgan Hill ProspectProducer • Manganese
|
BernalProducer • Calcium
|
Mateos RanchProducer • Manganese
|
MillerProducer • Manganese
|
New AlmadenProducer • Mercury
|
Crystal Ball Mining Co.Producer • Mercury
|
Enriquita MineProducer • Mercury
|
Senator DumpProducer • Stone
|
Unnamed LocationProducer • Chromium
|
Hahn Ranch DepositsProducer • Chromium
|
QuarryProducer • Stone
|
Borrow PitProducer • Stone
|
QuarryProducer • Stone
|
Bahr & Ledoyen, Inc.Producer • Stone
|
SaratogaProducer • Stone, Crushed/Broken
|
VossProducer • Stone, Crushed/Broken
|
Adobe Creek QuarryProducer • Stone, Crushed/Broken
|
Douglas RanchProducer • Calcium
|
QuarryProducer • Stone
|
RiandaPast Producer • Mercury
|
HillsdalePast Producer • Mercury
|
FerreroPast Producer •
|
Hooker CreekPast Producer • Copper
|
Mexican Prospect No. 1Unknown •
|
Western Magnesite CompanyPast Producer •
|
Fidelity DepositPast Producer • Magnesite
|
Hubble Sand and GravelUnknown • Sand and Gravel, Construction
|
Ed Kelley ProspectProspect •
|
Permanente QuarryProducer • Calcium
|
Silver Creek Hills ProspectsPast Producer • Mercury
|
BonettiPast Producer •
|
Kilday RanchPast Producer •
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Murmac GroupPast Producer •
|
Unnamed LocationProspect • Mercury
|
W. W. Burnett RanchProspect • Magnesite
|
Guadalupe Lime Co.Past Producer • Calcium
|
Hubble Sand and Gravel Pit and MillPast Producer • Sand and Gravel, Construction
|
Acme Lode ClaimProspect •
|
Unnamed LocationProspect • Mercury
|
Calaveras QuarryProducer • Stone
|
AlmaProspect • Stone
|
Deforest ProspectPast Producer •
|
Mammoth MineProspect •
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Unnamed LocationPast Producer • Mercury
|
Polak PitPast Producer • Sand and Gravel, Construction
|
Newson ProspectProspect •
|
SmithProspect • Chromium
|
BlackbirdProspect • Manganese
|
Adobe Creek QuarryPast Producer • Stone, Crushed/Broken
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
San Jose PlantUnknown • Sand and Gravel, Construction
|
Pulse ProspectPast Producer •
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Santa Teresa MinePast Producer • Mercury
|
San Pedro Open PitUnknown • Mercury
|
San Mateo MinePast Producer • Mercury
|
Lopez ProspectUnknown •
|
Gilroy Hot SpringsOccurrence • Geothermal
|
VossPast Producer • Stone, Crushed/Broken
|
MillerPast Producer • Manganese
|
CochraneProspect • Magnesite
|
Page Mill QuarryProducer • Stone
|
Tilton Ranch ProspectProspect • Mercury
|
New North AlmadenProspect • Mercury
|
Serpa QuarryProducer • Stone, Crushed/Broken
|
Fredrickson-WetsonPast Producer • Stone
|
May Be ClaimUnknown • Manganese
|
Borrow PitPast Producer • Sand and Gravel, Construction
|
A M Kelley ProspectProspect •
|
WinshipProspect • Calcium
|
Bay Cities Water ColPast Producer •
|
Remillard-Dandini Co.Past Producer • Clay
|
BlendaProducer • Sand and Gravel, Construction
|
QuarryUnknown • Stone
|
Pierce Road QuarryProspect • Stone, Crushed/Broken
|
Oak HillPast Producer • Stone
|
Mc Pherson ProspectProducer • Manganese
|
Avery ProspectOccurrence • Manganese
|
Unnamed LocationProspect • Manganese
|
San JosePast Producer • Manganese
|
Unnamed LocationProspect • Mercury
|
Cottonwood Claim /BlackwonderUnknown • Manganese
|
Cedar Tree ClaimsProspect •
|
Keller Mine GroupPast Producer •
|
America MinePast Producer • Mercury
|
Laurel Lake RanchPast Producer •
|
Brem Brs.Prospect • Sand and Gravel, Construction
|
Uvas PitPast Producer • Sand and Gravel, Construction
|
Billy Goat ProspectPast Producer •
|
Crystal Ball Mining Co.Past Producer • Mercury
|
Mateos Ranch DepositPast Producer •
|
Frankel ProspectProspect • Manganese
|
Mexican Prospect No. 3Past Producer •
|
Unnamed LocationProspect • Mercury
|
Unnamed LocationProspect • Mercury
|
*onnell MinePast Producer •
|
Davenport and Smith PropertyProspect •
|
Unnamed LocationProspect • Mercury
|
Unnamed LocationProspect • Mercury
|
Scott Creek PitUnknown • Stone, Dimension
|
Unnamed LocationOccurrence • Chromium
|
Bradford RanchPast Producer • Magnesite
|
Stevens Creek QuarryUnknown • Stone, Dimension
|
QuarryPast Producer • Sand and Gravel, Construction
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Blackbird ClaimProspect • Manganese
|
MccoyPast Producer • Manganese
|
Copernicus Peak ProspectProspect • Manganese
|
QuarryUnknown • Stone
|
Mt. View Crushing PlantProducer • Stone, Crushed/Broken
|
Winship LeasesPast Producer •
|
Senator MinePast Producer • Mercury
|
Hubble Quarry and MillUnknown • Granite
|
Deposit 8, Big MattPast Producer • Manganese
|
Santa Clara MillProducer • Mercury
|
John Knorr MineUnknown • Stone, Dimension
|
Howson PitUnknown • Stone, Dimension
|
Great Expectation MineProspect •
|
New Almaden MinePast Producer • Mercury
|
Unnamed LocationProspect • Mercury
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Winegar MinePast Producer •
|
Winfield PitProducer • Stone, Crushed/Broken
|
QuarryProspect • Stone
|
Permanente Cement PlantProducer • Calcium
|
RanelliPast Producer •
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Azevado QuarryProducer • Stone, Dimension
|
Roggasch Bros.Prospect • Stone, Crushed/Broken
|
Mcfarland ChromiteProspect • Chromium
|
Permanente Metals Corp.Past Producer • Stone, Crushed/Broken
|
Borrow PitPast Producer • Stone
|
Stevens Creek QuarryUnknown • Stone, Dimension
|
Unnamed LocationOccurrence • Gemstone
|
Unnamed LocationProspect • Mercury
|
Doak No 2 ProspectPast Producer •
|
Antonia ClaimProspect •
|
Western MinePast Producer • Magnesite
|
Wallace RanchProspect •
|
Gladding Bros. Mfg. Co.Past Producer • Clay
|
Enriquita MinePast Producer • Mercury
|
Pacheco Creek PitProducer • Sand and Gravel, Construction
|
Curtner QuarryProducer • Stone
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Unnamed LocationProspect • Mercury
|
Macson RanchProspect • Copper
|
Fable MinePast Producer •
|
Unnamed LocationProspect • Chromium
|
Hellyer PitUnknown • Stone, Dimension
|
Guadalupe MinePast Producer • Mercury
|
PennsylvaniaPast Producer •
|
BondProspect • Calcium
|
Commercial MaterialsPast Producer • Stone, Crushed/Broken
|
Unnamed LocationOccurrence • Gemstone
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Queen Bee No. 1Unknown • Manganese
|
Black Horse ClaimPast Producer •
|
San Francisco MineUnknown • Mercury
|
Western Tile and Supply Co.Unknown • Sand and Gravel, Construction
|
Unnamed LocationProspect • Mercury
|
Western Tile and Supply Co.Unknown • Sand and Gravel, Construction
|
Piazza Sandstone QuarryProducer • Stone, Crushed/Broken
|
New Page Mill QuarriesPast Producer • Stone
|
Graystone QuarryProspect • Stone
|
Silver CreekUnknown • Mercury
|
Brems PitUnknown • Sand and Gravel, Construction
|
Stanford QuarryPast Producer • Stone
|
Black EagleUnknown • Manganese
|
Ala Mountain MinePast Producer •
|
PeblePast Producer • Manganese
|
Black Bear MineProspect •
|
Unnamed LocationOccurrence • Gemstone
|
RaischePast Producer • Sand and Gravel, Construction
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Sondgrath Bros.Past Producer • Stone, Crushed/Broken
|
Gravel PitUnknown • Sand and Gravel, Construction
|
Douglas RanchPast Producer • Calcium
|
Santa Clara Sand & GravelPast Producer • Sand and Gravel, Construction
|
Western MinePast Producer • Manganese
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
QuarryPast Producer • Stone
|
Garden City Pottery Co.Past Producer • Clay
|
Pine Ridge MinePast Producer •
|
Calaveras Road PitUnknown • Stone, Dimension
|
QuarryPast Producer • Stone
|
Los Gatos Sand & Gravel Co.Past Producer • Sand and Gravel, Construction
|
Beauregard GroupPast Producer • Manganese
|
Pacific Coast Aggregates, Inc.Prospect • Sand and Gravel, Construction
|
Mt Hamilton ProspectOccurrence •
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
Hahn Ranch DepositsPast Producer •
|
Lexington QuarryProducer • Stone, Crushed/Broken
|
Masson Ranch PropertyOccurrence • Copper
|
Steinheimer Ranch ProspectProspect • Chromium
|
Bahr & Ledoyen, Inc.Past Producer • Stone
|
Hillsdale Pit and MillPast Producer • Sand and Gravel, Construction
|
Sand & Gravel PitPast Producer • Sand and Gravel, Construction
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
ChaboyaUnknown • Mercury
|
Gravel PitPast Producer • Sand and Gravel, Construction
|
HouretProspect • Calcium
|
Yetes LeasePast Producer •
|
Permanente Cement PlantProducer • Limestone, General
|
Williams-Rodriques ProspectProspect • Mercury
|
Turner DepositPast Producer •
|
Davenport ProspectOccurrence •
|
Unnamed LocationOccurrence • Stone, Crushed/Broken
|
QuarryProspect • Calcium
|
Keller Brothers ProspectProspect • Manganese
|
San Jose Cement Co.Prospect • Calcium
|
Unnamed LocationProspect • Mercury
|
Unnamed Limestone DepositOccurrence • Limestone, General
|
Wright PropertyPast Producer • Mercury
|
Bernal MinePast Producer • Mercury
|
Leguna Scca RanchProspect • Copper
|
Patton QuarryProducer • Stone, Crushed/Broken
|
Morgan Hill ProspectPast Producer •
|
Jones Group-Nos.1-9Past Producer •
|
Brainard ProspectProspect • Mercury
|
Downer PlantUnknown • Stone
|
Bay EvaporatorsProducer • Salt
|
Lone HillPast Producer • Stone
|
Unnamed LocationProspect • Chromium
|
San Antonio MinePast Producer • Mercury
|
Roggasch Bros. QuarryUnknown • Stone
|
Patton MillProducer • Stone, Crushed/Broken
|
Costello MineProspect • Mercury
|
Howson MillProducer • Sand and Gravel, Construction
|
Sand & Gravel PitPast Producer • Sand and Gravel, Construction
|
SaratogaPast Producer • Stone, Crushed/Broken
|
BowieUnknown • Mercury
|
QuarryPast Producer • Stone
|
*onnell BrothersUnknown • Magnesite
|
SecurityPast Producer • Magnesite
|
New Almaden Placers & DumpsPast Producer • Mercury
|
Near QuarryProducer • Stone
|
Providencia MinePast Producer • Mercury
|
San Jose Brick & Tile Co.Past Producer • Clay
|
Stevens Creek QuarryProducer • Stone, Crushed/Broken
|
Stevens Creek QuarryUnknown • Sand and Gravel, Construction
|
Deep Gulch PlacerUnknown • Mercury
|
Black Wonder Sec.28 Group.Past Producer •
|
Western Gravel Co.Past Producer • Sand and Gravel, Construction
|
Stevens Creek QuarryUnknown • Sand and Gravel, Construction
|
Unnamed LocationPast Producer • Chromium
|
New Almaden District ReportPast Producer • Mercury
|