# Relationship history for MSHA mine 1508119

Current hierarchy: **Holbrook Claude M & Eddie Jr → M R E Coal Company Inc → No 2 Surface**

- 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:** Paul J  Sturgill → No 2 Surface; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hurley Victor → No 2 Surface; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lance Coal Corp → No 2 Surface; 1975-03-01 to 1977-06-22; source msha-controller-operator-history
- **controller_controls_operator:** Hurley Victor → Lance Coal Corp; 1975-03-01 to 1977-06-22; source msha-controller-operator-history
- **operator_operates_mine:** Golden Oak Mining Company Inc → No 2 Surface; 1977-06-23 to 1980-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Paul J  Sturgill → Golden Oak Mining Company Inc; 1977-06-23 to 1980-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Golden Oak Mining Company Inc → No 2 Surface; 1981-01-01 to 1987-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Reading & Bates Corp → No 2 Surface; 1981-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reading & Bates Corp → Golden Oak Mining Company Inc; 1981-01-01 to 1987-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Holbrook Claude M & Eddie Jr Et Al → No 2 Surface; 1984-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ward Brothers Construction Inc → No 2 Surface; 1987-01-16 to 1987-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Ward James T → No 2 Surface; 1987-01-16 to 1991-09-10; source msha-controller-operator-history
- **controller_controls_operator:** Ward James T → Ward Brothers Construction Inc; 1987-01-16 to 1987-08-17; source msha-controller-operator-history
- **operator_operates_mine:** M R E Coal Company Inc → No 2 Surface; 1987-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Holbrook Claude M & Eddie Jr Et Al → M R E Coal Company Inc; 1987-08-18 to current/open; source msha-controller-operator-history