# Relationship history for MSHA mine 1511304

Current hierarchy: **Eddie  Holbrooks → Husky Coal Company Inc → No 1 Mine**

- 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:** Goebel  Zeller et al → No 1 Mine; 1974-09-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Faith Coal Sales Inc → No 1 Mine; 1978-05-01 to 1980-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Goebel  Zeller et al → Faith Coal Sales Inc; 1978-05-01 to 1980-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Bill R  Wallace et al → Faith Coal Sales Inc; 1978-05-01 to 1980-02-21; source msha-controller-operator-history
- **operator_operates_mine:** Odyssey Coal Sales Inc → No 1 Mine; 1980-02-22 to 1983-06-23; source msha-controller-operator-history
- **controller_controls_mine:** Schwab Charles F → No 1 Mine; 1980-02-22 to 1983-06-23; source msha-controller-operator-history
- **controller_controls_operator:** Schwab Charles F → Odyssey Coal Sales Inc; 1980-02-22 to 1983-06-23; source msha-controller-operator-history
- **operator_operates_mine:** W C S Inc → No 1 Mine; 1983-06-24 to 1983-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Earley William G → No 1 Mine; 1983-06-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earley William G → W C S Inc; 1983-06-24 to 1983-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Sunset Coal Company Inc → No 1 Mine; 1983-11-16 to 1984-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → No 1 Mine; 1983-11-16 to 1984-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Sunset Coal Company Inc; 1983-11-16 to 1984-02-21; source msha-controller-operator-history
- **operator_operates_mine:** Husky Coal Company Inc → No 1 Mine; 1984-02-22 to 1989-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Phillips Billy Joe → No 1 Mine; 1984-02-22 to 1989-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Phillips Billy Joe → Husky Coal Company Inc; 1984-02-22 to 1989-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Holbrooks → No 1 Mine; 1989-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Husky Coal Company Inc → No 1 Mine; 1989-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Holbrooks → Husky Coal Company Inc; 1989-09-20 to current/open; source msha-controller-operator-history