# Relationship history for MSHA mine 4609152

Current hierarchy: **Sev.en Global Investments a.s. → Rockwell Mining LLC → Black 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Long Branch Energy Corporation → Black Oak Mine; 1989-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Black Oak Mine; 1998-03-26 to 2007-10-30; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Associated Coal LLC → Black Oak Mine; 2006-04-13 to 2007-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Eastern Associated Coal LLC; 2006-04-13 to 2007-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Long Branch Energy → Black Oak Mine; 2007-05-21 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Long Branch Energy Corporation → Long Branch Energy; 2007-05-21 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Black Oak Mine; 2007-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Eastern Associated Coal LLC; 2007-10-31 to 2007-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Associated Coal LLC → Black Oak Mine; 2008-07-01 to 2015-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Eastern Associated Coal LLC; 2008-07-01 to 2015-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Eastern Associated Coal LLC; 2008-07-01 to 2007-10-30; source msha-controller-operator-history
- **operator_operates_mine:** Rockwell Mining LLC → Black Oak Mine; 2015-10-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Black Oak Mine; 2015-10-26 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Rockwell Mining LLC; 2015-10-26 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Black Oak Mine; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Rockwell Mining LLC; 2020-06-01 to current/open; source msha-controller-operator-history