# Relationship history for MSHA mine 4608836

Current hierarchy: **Sev.en Global Investments a.s. → Panther Creek Mining, LLC. → Laurel Fork Deep 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

- **controller_controls_mine:** Ashland Inc et al → Laurel Fork Deep Mine; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Dennis G  Cook → Laurel Fork Deep Mine; 2000-05-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Laurel Fork Deep Mine; 2000-06-01 to 2000-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 2000-06-01 to 2000-09-22; source msha-controller-operator-history
- **operator_operates_mine:** P I T A Mining Inc → Laurel Fork Deep Mine; 2000-09-23 to 2001-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Dennis G  Cook → P I T A Mining Inc; 2000-09-23 to 2001-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Laurel Fork Deep Mine; 2001-07-27 to 2001-11-26; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 2001-07-27 to 2001-11-26; source msha-controller-operator-history
- **operator_operates_mine:** Titan Mining, Inc. → Laurel Fork Deep Mine; 2001-11-27 to 2016-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Ollie  Burns et al → Laurel Fork Deep Mine; 2001-11-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ollie  Burns et al → Titan Mining, Inc.; 2001-11-27 to 2016-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Clyde H  McComas et al → Titan Mining, Inc.; 2001-11-27 to 2016-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Laurel Fork Deep Mine; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 2000-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 2001-11-26; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Laurel Fork Deep Mine; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 2000-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 2001-11-26; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Laurel Fork Deep Mine; 2015-10-26 to 2020-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Panther Creek Mining, LLC. → Laurel Fork Deep Mine; 2016-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Panther Creek Mining, LLC.; 2016-02-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Laurel Fork Deep Mine; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Panther Creek Mining, LLC.; 2020-06-01 to current/open; source msha-controller-operator-history