# Relationship history for MSHA mine 1518102

Current hierarchy: **Robert  Stump; Eddie  Delong → Tri Star Coal L.L.C. → No. 1**

- 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:** Herstel  Ratliff et al → No. 1; 1997-03-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blackstar Coal Company Inc → No. 1; 1998-09-01 to 2005-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Herstel  Ratliff et al → Blackstar Coal Company Inc; 1998-09-01 to 2005-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Milford  Compton et al → Blackstar Coal Company Inc; 1998-09-01 to 2005-05-11; source msha-controller-operator-history
- **operator_operates_mine:** Tri Star Coal L.L.C. → No. 1; 2005-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Stump et al → No. 1; 2005-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Stump et al → Tri Star Coal L.L.C.; 2005-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Delong et al → Tri Star Coal L.L.C.; 2005-05-12 to current/open; source msha-controller-operator-history