# Relationship history for MSHA mine 4406963

Current hierarchy: **Mark  Elliott → Ennstone Inc → Morie**

- 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:** Ennstone PLC → Morie; 1997-07-29 to 2009-06-10; source msha-controller-operator-history
- **operator_operates_mine:** Ennstone Inc → Morie; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ennstone PLC → Ennstone Inc; 1999-08-01 to 2009-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Elliott → Morie; 2009-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Elliott → Ennstone Inc; 2009-06-11 to current/open; source msha-controller-operator-history