Holcim — Quarry and material-source record

Primary commodity in source: Crushed, Broken Limestone NEC; Operator in source: Charlson Excavating Company Inc. Recorded location: Cerro Gordo, IA. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateIA

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

Reported record details

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Source data row 17944

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: 1302412
Mine name in source: Holcim
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 02/17/2026
Operator in source: Charlson Excavating Company Inc
State: IA
County: Cerro Gordo
Nearest town in source: Mason City
Primary commodity code: 142200
Primary commodity in source: Crushed, Broken Limestone NEC
Portable operation flag (Y/N): Y
Reported latitude: 43.153611
Reported longitude: -93.201111

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—	Source data row 17944 · 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 17944

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