Mine detail: Helmer Bros. Quarry

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Location: Douglas County, Colorado, United States, North America
Lat / long: 39.46832, -105.08307
dep_id: 10017221
mrds_id: DC03098
Commodity type: nonmetallic
Major mineral: Limestone, General
Operation type: Unknown
Production size: Production occurred
Development status: Producer
ore: Limestone
Reporter: Conservation Division Files
References:
  • SCOTT, 1963, USGS PP 421-
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