High Country Hard Rock - Williams Pit — Quarry and material-source record

Primary commodity in source: Construction Sand and Gravel; Operator in source: Sibson Gravel L.L.C.. Recorded location: Elbert, CO. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateCO

Source-backed record from MSHA surface aggregate mine register. Browse the labeled observations and original source below.

Source collection: MSHA surface aggregate mine register
Source checked: 2026-10-15

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Source data row 37903

MSHA mine-register snapshot: INTERMITTENT operation in the source. This is not a claim of continuous production, current availability or DOT materials approval. Coordinates are reported by the source and may represent portable operations.

MSHA mine ID: 2100611
Mine name in source: High Country Hard Rock - Williams Pit
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 03/11/2025
Operator in source: Sibson Gravel L.L.C.
State: CO
County: Elbert
Nearest town in source: Kremmling
Primary commodity code: 144200
Primary commodity in source: Construction Sand and Gravel
Portable operation flag (Y/N): Y
Reported latitude: 40.270556
Reported longitude: -106.888889

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—	Source data row 37903 · MSHA mine-register snapshot: INTERMITTENT operation in the source. This is not a claim of continuous production, current availability or DOT materials approval. Coordinates are reported by the source and may represent portable operations.

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Source data row 37903

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