# Relationship history for MSHA mine 5001763

Current hierarchy: **Ronald Wayne  MacLaren → Maccor Mining LLC → Last Mine**

- 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:** Robert P. Wright → Last Mine; 2003-06-02 to 2012-06-11; source msha-controller-operator-history
- **controller_controls_mine:** Robert P  Wright → Last Mine; 2003-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert P  Wright → Robert P. Wright; 2003-06-02 to 2012-06-11; source msha-controller-operator-history
- **operator_operates_mine:** Maccor Mining LLC → Last Mine; 2012-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronald Wayne  MacLaren → Last Mine; 2012-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald Wayne  MacLaren → Maccor Mining LLC; 2012-06-12 to current/open; source msha-controller-operator-history