# Relationship history for MSHA mine 4604169

Current hierarchy: **Coal Arbed → Hull Coal Corp → No 7**

- 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:** Justice Lois Jean → No 7; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Arkansas Fuel Company Inc → No 7; 1974-01-01 to 1974-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Arkansas Fuel Company Inc → No 7; 1974-01-01 to 1974-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Arkansas Fuel Company Inc → Arkansas Fuel Company Inc; 1974-01-01 to 1974-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Blankenship Hassel → No 7; 1974-07-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Florida Fuel Company Inc → No 7; 1974-10-22 to 1975-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Blankenship Hassel → Florida Fuel Company Inc; 1974-10-22 to 1975-03-08; source msha-controller-operator-history
- **operator_operates_mine:** L & J Coal Company → No 7; 1975-03-09 to 1975-09-25; source msha-controller-operator-history
- **controller_controls_operator:** Justice Lois Jean → L & J Coal Company; 1975-03-09 to 1975-09-25; source msha-controller-operator-history
- **operator_operates_mine:** Desenex Coal Company Inc → No 7; 1975-09-26 to 1976-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Riffe Herman → No 7; 1975-09-26 to 1976-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Riffe Herman → Desenex Coal Company Inc; 1975-09-26 to 1976-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Lower Muzzle Creek Coal Company → No 7; 1976-03-11 to 1976-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Bishop Ollie → No 7; 1976-03-11 to 1976-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Bishop Ollie → Lower Muzzle Creek Coal Company; 1976-03-11 to 1976-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Coal Arbed → No 7; 1976-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lower Muzzle Coal Company Inc → No 7; 1976-08-19 to 1979-02-14; source msha-controller-operator-history
- **controller_controls_mine:** Collins Rosevelt → No 7; 1976-08-19 to 1979-02-14; source msha-controller-operator-history
- **controller_controls_operator:** Collins Rosevelt → Lower Muzzle Coal Company Inc; 1976-08-19 to 1979-02-14; source msha-controller-operator-history
- **operator_operates_mine:** Hull Coal Corp → No 7; 1979-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Coal Arbed → Hull Coal Corp; 1979-02-15 to current/open; source msha-controller-operator-history