# Relationship history for MSHA mine 4000017

Current hierarchy: **Grady M  Reavis → Fayetteville Rock Company → Fayetteville Mine & Mill**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Clark & Stephenson Limestone Products → Fayetteville Mine & Mill; 1950-01-01 to 1983-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Stephenson H H → Fayetteville Mine & Mill; 1950-01-01 to 1983-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Stephenson H H → Clark & Stephenson Limestone Products; 1950-01-01 to 1983-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Grady M  Reavis → Fayetteville Mine & Mill; 1981-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fayetteville Rock Company → Fayetteville Mine & Mill; 1983-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Grady M  Reavis → Fayetteville Rock Company; 1983-08-08 to current/open; source msha-controller-operator-history