# Relationship history for MSHA mine 1201863

Current hierarchy: **Peabody Energy Corporation → Peabody Midwest Mining, LLC → White Oak 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

- **operator_operates_mine:** Northern Coal Company Inc → White Oak Mine; 1981-10-01 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Graber Jesse Jr Et Al → White Oak Mine; 1981-10-01 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Graber Jesse Jr Et Al → Northern Coal Company Inc; 1981-10-01 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_mine:** First Mississippi Corp → White Oak Mine; 1983-02-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northern Coal Company Inc → White Oak Mine; 1986-10-01 to 1989-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Rich John W (Ky-Tn-In) → White Oak Mine; 1986-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rich John W (Ky-Tn-In) → Northern Coal Company Inc; 1986-10-01 to 1989-07-09; source msha-controller-operator-history
- **operator_operates_mine:** B & P Mining Inc → White Oak Mine; 1989-07-10 to 1990-10-08; source msha-controller-operator-history
- **controller_controls_mine:** Beaumont Thomas → White Oak Mine; 1989-07-10 to 1990-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Beaumont Thomas → B & P Mining Inc; 1989-07-10 to 1990-10-08; source msha-controller-operator-history
- **operator_operates_mine:** Pyramid Mining Inc → White Oak Mine; 1990-10-09 to 1993-02-21; source msha-controller-operator-history
- **controller_controls_operator:** First Mississippi Corp → Pyramid Mining Inc; 1990-10-09 to 1993-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Black Beauty Resources → White Oak Mine; 1991-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Romero Richard → White Oak Mine; 1993-02-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northern Coal Company Inc → White Oak Mine; 1993-02-22 to 1994-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Romero Richard → Northern Coal Company Inc; 1993-02-22 to 1994-05-05; source msha-controller-operator-history
- **operator_operates_mine:** Black Beauty Mining Inc → White Oak Mine; 1994-05-06 to 1999-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Black Beauty Resources → Black Beauty Mining Inc; 1994-05-06 to 1999-04-19; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → White Oak Mine; 1997-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Peabody Midwest Mining, LLC → White Oak Mine; 1999-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Peabody Midwest Mining, LLC; 1999-04-20 to current/open; source msha-controller-operator-history