Centennial Quarry — Quarry and material-source record

Primary commodity in source: Crushed, Broken Limestone NEC; Operator in source: Simon Contractors Inc.. Recorded location: Lawrence, SD. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateSD

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 64817

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: 3901246
Mine name in source: Centennial Quarry
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 07/22/2026
Operator in source: Simon Contractors Inc.
State: SD
County: Lawrence
Nearest town in source: Whitewood
Primary commodity code: 142200
Primary commodity in source: Crushed, Broken Limestone NEC
Portable operation flag (Y/N): Y
Reported latitude: 44.438889
Reported longitude: -103.649722

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—	Source data row 64817 · 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 64817

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