# Relationship history for MSHA mine 5001982

Current hierarchy: **Joseph H.  Coup → Joe Coup → Independence Day Discovery**

- 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

- **operator_operates_mine:** Joe Coup → Independence Day Discovery; 2012-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph H.  Coup → Independence Day Discovery; 2012-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph H.  Coup → Joe Coup; 2012-06-08 to current/open; source msha-controller-operator-history