# Relationship history for MSHA mine 4402280

Current hierarchy: **Hank K  Matney; Fred D  Matney; Rick A  Matney → Bee Coal Company → 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

- **controller_controls_mine:** Yates Troy → No 1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Q & G Coal Company Inc → No 1 Mine; 1950-01-01 to 1974-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Shortridge Keaster Et Al → No 1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shortridge Keaster Et Al → Q & G Coal Company Inc; 1950-01-01 to 1974-06-30; source msha-controller-operator-history
- **operator_operates_mine:** T & S Coal Company → No 1 Mine; 1974-07-01 to 1975-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Yates Troy → T & S Coal Company; 1974-07-01 to 1975-07-21; source msha-controller-operator-history
- **operator_operates_mine:** Bee Coal Company → No 1 Mine; 1975-07-22 to 1977-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Whited Mason & James R Thompson → No 1 Mine; 1975-07-22 to 1977-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Whited Mason & James R Thompson → Bee Coal Company; 1975-07-22 to 1977-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Bee Coal Company → No 1 Mine; 1977-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hank K  Matney  et al → No 1 Mine; 1977-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Bee Coal Company; 1977-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Bee Coal Company; 1977-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Bee Coal Company; 1977-11-09 to current/open; source msha-controller-operator-history