# Relationship history for MSHA mine 3300958

Current hierarchy: **Robert  Shugert → Oasis TAG Holdings LLC → Georgetown Plant Upper Supply Pond**

- 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

- **operator_operates_mine:** Consolidation Coal Company → Georgetown Plant Upper Supply Pond; 1950-01-01 to 2013-12-05; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Georgetown Plant Upper Supply Pond; 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 2013-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Georgetown Plant Upper Supply Pond; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 2013-12-05; source msha-controller-operator-history
- **operator_operates_mine:** CONSOL Mining Company LLC → Georgetown Plant Upper Supply Pond; 2013-12-06 to 2020-12-21; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Georgetown Plant Upper Supply Pond; 2013-12-06 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → CONSOL Mining Company LLC; 2013-12-06 to 2020-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Oasis TAG Holdings LLC → Georgetown Plant Upper Supply Pond; 2020-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Shugert → Georgetown Plant Upper Supply Pond; 2020-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Shugert → Oasis TAG Holdings LLC; 2020-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Georgetown Plant Upper Supply Pond; 2025-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Core Natural Resources Inc → CONSOL Mining Company LLC; 2025-01-14 to 2020-12-21; source msha-controller-operator-history