# Relationship history for MSHA mine 4608650

Current hierarchy: **Sev.en Global Investments a.s. → Rockwell Mining, LLC. → Winifrede No. 13-A 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 → Winifrede No. 13-A Mine; 1989-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Banner Coal & Land Co. → Winifrede No. 13-A Mine; 1997-07-01 to 2003-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Carroll D  Simpkins → Winifrede No. 13-A Mine; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carroll D  Simpkins → Banner Coal & Land Co.; 1997-07-01 to 2003-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Winifrede No. 13-A Mine; 1998-03-26 to 2007-10-30; source msha-controller-operator-history
- **operator_operates_mine:** Long Branch Energy → Winifrede No. 13-A Mine; 2003-08-22 to 2012-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Long Branch Energy Corporation → Long Branch Energy; 2003-08-22 to 2012-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Winifrede No. 13-A Mine; 2007-10-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Associated Coal, LLC. → Winifrede No. 13-A Mine; 2012-02-28 to 2024-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Eastern Associated Coal, LLC.; 2012-02-28 to 2024-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Eastern Associated Coal, LLC.; 2012-02-28 to 2007-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Winifrede No. 13-A Mine; 2015-10-26 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Winifrede No. 13-A Mine; 2020-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rockwell Mining, LLC. → Winifrede No. 13-A Mine; 2024-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Rockwell Mining, LLC.; 2024-02-22 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Rockwell Mining, LLC.; 2024-02-22 to current/open; source msha-controller-operator-history