# Relationship history for MSHA mine 4608707

Current hierarchy: **Ronald  Combs → Hiope Mining Inc → Hiope #8**

- 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:** Ronald  Combs et al → Hiope #8; 1985-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Serena  Meadows et al → Hiope #8; 1997-03-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Katelyn Coal Company → Hiope #8; 1998-03-01 to 1998-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Serena  Meadows et al → Katelyn Coal Company; 1998-03-01 to 1998-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Rita Marie  Muncy et al → Katelyn Coal Company; 1998-03-01 to 1998-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Hiope Mining Inc → Hiope #8; 1998-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Combs et al → Hiope Mining Inc; 1998-09-18 to current/open; source msha-controller-operator-history