California · Alameda County
Past Producer
Graves Claims
Alameda County, California, United States
Manganese
⌖ Show on map
USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Past Producer
Discovery year
1918
Identification
Deposit ID
10259794
MRDS ID
M020001
Alternate names
Ace of Diamonds
Region
NA
Data score
D
Coordinates
37.51271, -121.57882
References
BULL 140 P.66