# Relationship history for MSHA mine 4607404

Current hierarchy: **Chris  Cline → Jupiter Coal Company Inc → 5 Block Mine No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Ferrell Joe → 5 Block Mine No 2; 1986-03-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jovic Mining Company Inc → 5 Block Mine No 2; 1987-11-01 to 1997-07-10; source msha-controller-operator-history
- **controller_controls_operator:** Ferrell Joe → Jovic Mining Company Inc; 1987-11-01 to 1997-07-10; source msha-controller-operator-history
- **controller_controls_mine:** Chris  Cline → 5 Block Mine No 2; 1997-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jupiter Coal Company Inc → 5 Block Mine No 2; 1997-07-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Cline → Jupiter Coal Company Inc; 1997-07-11 to current/open; source msha-controller-operator-history