South Dakota · Custer County
Past Producer

Echo

Custer County, South Dakota, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsGold, Silver
GangueQuartz
Geology
Host rockSchist
Economic & production
Development statusPast Producer
Identification
Deposit ID10055777
MRDS IDSD02527
RegionNA
Data scoreC
Coordinates43.77079, -103.73279
References
USBM INFO CIRC 7707, P. 92USBM INFO CIRC 7707, P. 92.