Mine detail: Helmer Bros

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Location: Weld County, Colorado, United States, North America
Lat / long: 40.23919, -105.00638
dep_id: 10143524
mas_id: 81230124
Commodity type: nonmetallic
Major mineral: Sand and Gravel, Construction
Operation type: Surface
Development status: Producer
Reporter: Intermountain Field Operations Center (IFOC)
References:
  • REF: MINOBRAS
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