# Relationship history for MSHA mine 1002321

Current hierarchy: **Rory  Doloughan → Doloughan Construction LLC. → Retrack Placer**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Rory  Doloughan → Retrack Placer; 2007-05-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Doloughan Construction LLC. → Retrack Placer; 2020-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rory  Doloughan → Doloughan Construction LLC.; 2020-04-22 to current/open; source msha-controller-operator-history