# Relationship history for MSHA mine 4405097

Current hierarchy: **Moore Vernoy → Bullion Hollow Enterprises Inc → #22**

- 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:** Big Ton Coal Company Inc → #22; 1978-09-01 to 1981-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Branham L C → #22; 1978-09-01 to 1981-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Branham L C → Big Ton Coal Company Inc; 1978-09-01 to 1981-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Center Coal Company Inc → #22; 1981-06-10 to 1983-09-29; source msha-controller-operator-history
- **controller_controls_mine:** Branham Leon & Freddy Dean → #22; 1981-06-10 to 1983-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Branham Leon & Freddy Dean → Center Coal Company Inc; 1981-06-10 to 1983-09-29; source msha-controller-operator-history
- **operator_operates_mine:** Bullion Hollow Enterprises Inc → #22; 1983-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Moore Vernoy → #22; 1983-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moore Vernoy → Bullion Hollow Enterprises Inc; 1983-09-30 to current/open; source msha-controller-operator-history