# Relationship history for MSHA mine 4404990

Current hierarchy: **Compton C Eugene → Republic Energy Corp → No 1**

- 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

- **controller_controls_mine:** Coleman Donald S → No 1; 1977-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lester Larry F & Elijah → No 1; 1977-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bonnie Coal Company Inc → No 1; 1978-04-01 to 1980-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Donald S → Bonnie Coal Company Inc; 1978-04-01 to 1980-03-04; source msha-controller-operator-history
- **operator_operates_mine:** L & R Mining Company Inc → No 1; 1980-03-05 to 1980-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Lester Larry F & Elijah → L & R Mining Company Inc; 1980-03-05 to 1980-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Republic Energy Corp → No 1; 1980-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Compton C Eugene → No 1; 1980-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Compton C Eugene → Republic Energy Corp; 1980-09-29 to current/open; source msha-controller-operator-history