# Relationship history for MSHA mine 4605037

Current hierarchy: **Young John P → Jagrti Coal Company Inc → Hewitt Fork #3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Lucas Edsel L → Hewitt Fork #3; 1950-01-01 to 1976-12-17; source msha-controller-operator-history
- **operator_operates_mine:** S S Joe Burford Inc → Hewitt Fork #3; 1976-01-01 to 1976-12-17; source msha-controller-operator-history
- **controller_controls_operator:** Lucas Edsel L → S S Joe Burford Inc; 1976-01-01 to 1976-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Valley Industries Inc → Hewitt Fork #3; 1976-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S S Joe Burford Inc → Hewitt Fork #3; 1976-12-18 to 1977-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Valley Industries Inc → S S Joe Burford Inc; 1976-12-18 to 1977-03-15; source msha-controller-operator-history
- **operator_operates_mine:** P H Antom Mining Company → Hewitt Fork #3; 1977-03-16 to 1982-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Simmons Harold W → Hewitt Fork #3; 1977-03-16 to 1982-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Simmons Harold W → P H Antom Mining Company; 1977-03-16 to 1982-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Jagrti Coal Company Inc → Hewitt Fork #3; 1982-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Young John P → Hewitt Fork #3; 1982-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Young John P → Jagrti Coal Company Inc; 1982-02-01 to current/open; source msha-controller-operator-history
