# Relationship history for MSHA mine 0103196

Current hierarchy: **Warrior Met Coal Intermediate Holdco LLC → Warrior Met Coal Mining, LLC → East Brookwood 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:** Walter Energy Incorporated → East Brookwood Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry M  Gaines → East Brookwood Mine; 1995-09-15 to 2007-08-30; source msha-controller-operator-history
- **operator_operates_mine:** Tuscaloosa Resources Inc → East Brookwood Mine; 2000-07-01 to 2015-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Jerry M  Gaines → Tuscaloosa Resources Inc; 2000-07-01 to 2007-08-30; source msha-controller-operator-history
- **controller_controls_mine:** Walter Energy Incorporated → East Brookwood Mine; 2007-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter Energy Incorporated → Tuscaloosa Resources Inc; 2007-08-31 to 2015-03-15; source msha-controller-operator-history
- **operator_operates_mine:** Jim Walter Resources Inc → East Brookwood Mine; 2015-03-16 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Walter Energy Incorporated → Jim Walter Resources Inc; 2015-03-16 to 2016-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Warrior Met Coal Mining, LLC → East Brookwood Mine; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Warrior Met Coal Intermediate Holdco LLC → East Brookwood Mine; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Warrior Met Coal Intermediate Holdco LLC → Warrior Met Coal Mining, LLC; 2016-03-31 to current/open; source msha-controller-operator-history