Stephens Quarry — Quarry and material-source record

Primary commodity in source: Crushed, Broken Traprock; Operator in source: Western Rock Resources LLC. Recorded location: Yamhill, OR. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateOR

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 56634

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: 3503007
Mine name in source: Stephens Quarry
Mine type in source: Surface
Status in source: Intermittent
Status effective date in source: 10/01/2025
Operator in source: Western Rock Resources LLC
State: OR
County: Yamhill
Nearest town in source: Amity
Primary commodity code: 142904
Primary commodity in source: Crushed, Broken Traprock
Portable operation flag (Y/N): N
Reported latitude: 45.136667
Reported longitude: -123.142778

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—	Source data row 56634 · 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 56634

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