# Relationship history for MSHA mine 4401246

Current hierarchy: **Sperow Joe → C H & S Coal Company → Mine No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Rye Cove Coal Company → Mine No 3; 1950-01-01 to 1974-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Mullins M D → Mine No 3; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins M D → Rye Cove Coal Company; 1950-01-01 to 1974-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Edwards Danie G → Mine No 3; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wynn Energy Partnership → Mine No 3; 1974-08-14 to 1975-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Wynn Energy Partnership → Mine No 3; 1974-08-14 to 1975-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Wynn Energy Partnership → Wynn Energy Partnership; 1974-08-14 to 1975-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Scott Mining Company Inc → Mine No 3; 1975-09-20 to 1977-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Boddy Gordon → Mine No 3; 1975-09-20 to 1977-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Boddy Gordon → Scott Mining Company Inc; 1975-09-20 to 1977-12-31; source msha-controller-operator-history
- **operator_operates_mine:** J & M Coal Corp → Mine No 3; 1978-01-01 to 1981-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Legg Morgan W Sr → Mine No 3; 1978-01-01 to 1981-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Legg Morgan W Sr → J & M Coal Corp; 1978-01-01 to 1981-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Flannagan Energy Ltd → Mine No 3; 1981-01-05 to 1981-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Jennings Bill-Rual Fuller & Jerome Flynn → Mine No 3; 1981-01-05 to 1981-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Jennings Bill-Rual Fuller & Jerome Flynn → Flannagan Energy Ltd; 1981-01-05 to 1981-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Ranger Mining Company Inc → Mine No 3; 1981-06-30 to 1984-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Tester Rufus → Mine No 3; 1981-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tester Rufus → Ranger Mining Company Inc; 1981-06-30 to 1984-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Edwards Danie G → Mine No 3; 1981-10-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Trinity Coal Corp → Mine No 3; 1984-08-03 to 1987-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Edwards Danie G → Trinity Coal Corp; 1984-08-03 to 1987-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Trinity Coal Corp → Mine No 3; 1987-11-16 to 1989-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Phipps Tom → Mine No 3; 1987-11-16 to 1989-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Phipps Tom → Trinity Coal Corp; 1987-11-16 to 1989-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Sperow Joe → Mine No 3; 1988-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Grace Coal Corp → Mine No 3; 1989-04-13 to 1991-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Edwards Danie G → Grace Coal Corp; 1989-04-13 to 1991-01-27; source msha-controller-operator-history
- **operator_operates_mine:** C H & S Coal Company → Mine No 3; 1991-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sperow Joe → C H & S Coal Company; 1991-01-28 to current/open; source msha-controller-operator-history