# Relationship history for MSHA mine 1512399

Current hierarchy: **Thomas J  Loving; Joseph T  Bennett Jr; Andrew T  Loving → 4th Gen Fuels → N R G**

- 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:** Joseph T  Bennett  et al → N R G; 1974-08-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Harlan Cumberland Coal Company, LLC → N R G; 1980-06-01 to 2024-05-15; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett  et al → Harlan Cumberland Coal Company, LLC; 1980-06-01 to 2024-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Andrew T  Loving et al → N R G; 2020-04-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 4th Gen Fuels → N R G; 2024-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Andrew T  Loving et al → 4th Gen Fuels; 2024-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas J  Loving et al → 4th Gen Fuels; 2024-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett Jr et al → 4th Gen Fuels; 2024-05-16 to current/open; source msha-controller-operator-history