# Relationship history for MSHA mine 3600807

Current hierarchy: **Salatino Anthony D Jr → Villa Coal Company Inc → Renton 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:** Consolidation Coal Company → Renton Mine; 1950-01-01 to 1985-05-13; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Renton Mine; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 1950-01-01 to 1985-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Salatino Anthony D Jr → Renton Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Villa Coal Company Inc → Renton Mine; 1985-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Salatino Anthony D Jr → Villa Coal Company Inc; 1985-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Renton Mine; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 1985-05-13; source msha-controller-operator-history