MENCENBERG QUARRY — Quarry and material-source record

Primary commodity in source: Crushed, Broken Stone NEC; Operator in source: Schmidt Aggregates. Recorded location: Douglas, 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 10025

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: 0504618
Mine name in source: MENCENBERG QUARRY
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 08/18/2025
Operator in source: Schmidt Aggregates
State: CO
County: Douglas
Nearest town in source: Castle Rock
Primary commodity code: 142900
Primary commodity in source: Crushed, Broken Stone NEC
Portable operation flag (Y/N): N
Reported latitude: 39.320278
Reported longitude: -104.773611

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—	Source data row 10025 · 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 10025

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