# Relationship history for MSHA mine 1518346

Current hierarchy: **Jimmy W  Tackett → MiTac Mining, LLC → #2**

- 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:** Brian  Jones → #2; 1998-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & R Coal Company Inc → #2; 2001-03-01 to 2009-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Jones → B & R Coal Company Inc; 2001-03-01 to 2009-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy W  Tackett et al → #2; 2003-02-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** MiTac Mining, LLC → #2; 2009-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy W  Tackett et al → MiTac Mining, LLC; 2009-01-22 to current/open; source msha-controller-operator-history
