GreyHawk 286 — Quarry and material-source record

Primary commodity in source: Crushed, Broken Stone NEC; Operator in source: Daanen & Janssen, Inc.. Recorded location: Brown, WI. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateWI

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 87420

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: 4700029
Mine name in source: GreyHawk 286
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 02/19/2026
Operator in source: Daanen & Janssen, Inc.
State: WI
County: Brown
Nearest town in source: Green Bay, WI
Primary commodity code: 142900
Primary commodity in source: Crushed, Broken Stone NEC
Portable operation flag (Y/N): Y
Reported latitude: 44.399722
Reported longitude: -88.008889

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—	Source data row 87420 · 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 87420

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