Mine detail: No. 3 & 4 Refractory Clay Mines

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Location: Jefferson County, Colorado, United States, North America
Lat / long: 39.80555, -105.24864
dep_id: 10016678
mrds_id: DC01833
Commodity type: nonmetallic
Major mineral: Fire Clay (Refractory)
Operation type: Unknown
Production size: Production occurred
Development status: Producer
Reporter: Conservation Division Files
hrock_type: Shale
References:
  • Deposit:: USBM REPT. OF INVEST. 5553, P. 29-32, FIGS. 7 & 9, TABLE 12, 1960
  • Deposit:: CONSV. DIV. COMP. DATE, 3,64
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