Mine detail: Gravelly Valley

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Location: Lake County, California, United States, North America
Lat / long: 39.44487, -122.97303
dep_id: 10030712
mrds_id: M009042
Commodity type: metallic
Major mineral: Manganese
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
Reporter: Gere, W., Killman, K.; Albers, J.
References:
  • Deposit:: CALIF. JOUR., VOL. 43, NO. 1, JAN. 1947, PP. 21-22
  • Deposit:: CALIF. BULL.152, P. 91
  • Deposit:: MIN. INF. SERVICE V. 11, NO. 11, P. 9; ADD. REF.: USBM RI 5579, P. 7-8
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