# Relationship history for MSHA mine 1513095

Current hierarchy: **Keathley Joe R → Phyllis Coal Company Inc → No 14**

- 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:** Keathley Joe R → No 14; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Zapata Corp → No 14; 1978-06-08 to 1983-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Bebe Coal Corp → No 14; 1981-09-01 to 1982-05-24; source msha-controller-operator-history
- **controller_controls_operator:** Zapata Corp → Bebe Coal Corp; 1981-09-01 to 1982-05-24; source msha-controller-operator-history
- **operator_operates_mine:** Harco Mining Inc → No 14; 1982-05-25 to 1983-08-24; source msha-controller-operator-history
- **controller_controls_mine:** Harvey Steve → No 14; 1982-05-25 to 1984-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Harvey Steve → Harco Mining Inc; 1982-05-25 to 1983-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Bebe Coal Corp → No 14; 1983-08-25 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Stanford Energy → No 14; 1983-08-25 to 1987-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Stanford Energy → Bebe Coal Corp; 1983-08-25 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Burl → No 14; 1985-03-19 to 1986-09-23; source msha-controller-operator-history
- **operator_operates_mine:** Double Eagle Coal Company → No 14; 1985-08-26 to 1985-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Lee & Roger Tackett → No 14; 1985-08-26 to 1985-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Lee & Roger Tackett → Double Eagle Coal Company; 1985-08-26 to 1985-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Northern Cross Coal Enterprises Inc → No 14; 1985-10-25 to 1986-08-19; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Burl → Northern Cross Coal Enterprises Inc; 1985-10-25 to 1986-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Sammy Branch Coal Company → No 14; 1986-08-20 to 1987-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Ratliff David → No 14; 1986-08-20 to 1987-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Ratliff David → Sammy Branch Coal Company; 1986-08-20 to 1987-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Phyllis Coal Company Inc → No 14; 1987-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keathley Joe R → Phyllis Coal Company Inc; 1987-03-31 to current/open; source msha-controller-operator-history