# Relationship history for MSHA mine 1513664

Current hierarchy: **Epling Phillip K → Quality Fuel Inc → No 2 Tipple**

- 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:** Reese Chester-Danny & Teddy D → No 2 Tipple; 1978-07-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Branch Fuel Inc → No 2 Tipple; 1982-08-01 to 1984-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Reese Chester-Danny & Teddy D → Big Branch Fuel Inc; 1982-08-01 to 1984-07-15; source msha-controller-operator-history
- **controller_controls_mine:** Epling Phillip K → No 2 Tipple; 1984-07-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Double D Fuel → No 2 Tipple; 1984-07-16 to 1984-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Keesee Elmer → No 2 Tipple; 1984-07-16 to 1984-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Keesee Elmer → Double D Fuel; 1984-07-16 to 1984-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Quality Fuel Inc → No 2 Tipple; 1984-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Epling Phillip K → Quality Fuel Inc; 1984-12-03 to current/open; source msha-controller-operator-history