# Relationship history for MSHA mine 4607344

Current hierarchy: **Lyons Ray → New King Fuel Company Inc → Bufflick No 1 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:** Bufflick Inc → Bufflick No 1 Mine; 1987-08-01 to 1990-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Holmes Debra K → Bufflick No 1 Mine; 1987-08-01 to 1991-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Holmes Debra K → Bufflick Inc; 1987-08-01 to 1990-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Bufflick Inc → Bufflick No 1 Mine; 1990-08-16 to 1991-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Thomas Russell (Rick) Et Al → Bufflick No 1 Mine; 1990-08-16 to 1991-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Thomas Russell (Rick) Et Al → Bufflick Inc; 1990-08-16 to 1991-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Bufflick Inc → Bufflick No 1 Mine; 1991-04-02 to 1991-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Holmes Debra K → Bufflick Inc; 1991-04-02 to 1991-07-21; source msha-controller-operator-history
- **operator_operates_mine:** New King Fuel Company Inc → Bufflick No 1 Mine; 1991-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lyons Ray → Bufflick No 1 Mine; 1991-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyons Ray → New King Fuel Company Inc; 1991-07-22 to current/open; source msha-controller-operator-history