# Relationship history for MSHA mine 4404693

Current hierarchy: **Hank K  Matney; Fred D  Matney; Rick A  Matney → Bristol Coal Corp → No 1**

- 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:** A & B Coal Company → No 1; 1977-04-01 to 1978-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Boshell Harry E → No 1; 1977-04-01 to 1978-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Boshell Harry E → A & B Coal Company; 1977-04-01 to 1978-09-21; source msha-controller-operator-history
- **operator_operates_mine:** A & B Coal Company Inc → No 1; 1978-09-22 to 1981-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Addair Stuart → No 1; 1978-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Addair Stuart → A & B Coal Company Inc; 1978-09-22 to 1981-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Compton Joseph → No 1; 1980-08-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Compton Coal Corp → No 1; 1981-05-27 to 1981-06-21; source msha-controller-operator-history
- **controller_controls_operator:** Compton Joseph → Compton Coal Corp; 1981-05-27 to 1981-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Vaco Mining Inc → No 1; 1981-06-22 to 1982-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Freeman Loraine Wayne → No 1; 1981-06-22 to 1982-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Freeman Loraine Wayne → Vaco Mining Inc; 1981-06-22 to 1982-01-13; source msha-controller-operator-history
- **operator_operates_mine:** L & C Energy Corp → No 1; 1982-01-14 to 1983-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Church Danny R → No 1; 1982-01-14 to 1983-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Church Danny R → L & C Energy Corp; 1982-01-14 to 1983-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Bristol Coal Corp → No 1; 1983-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rick A  Matney  et al → No 1; 1983-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Bristol Coal Corp; 1983-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Bristol Coal Corp; 1983-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Bristol Coal Corp; 1983-01-03 to current/open; source msha-controller-operator-history