# Relationship history for MSHA mine 1506702

Current hierarchy: **Terry G  Loving → Ash Trucking Company Inc → M-2**

- 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:** Joseph T  Bennett  et al → M-2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crane Branch Mining Company → M-2; 1973-01-01 to 1975-06-01; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin R.  Bennett → M-2; 1973-01-01 to 1975-06-01; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Crane Branch Mining Company; 1973-01-01 to 1975-06-01; source msha-controller-operator-history
- **operator_operates_mine:** Coal Fuels Inc → M-2; 1975-06-02 to 1977-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Swartwood T Marshall → M-2; 1975-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Swartwood T Marshall → Coal Fuels Inc; 1975-06-02 to 1977-08-17; source msha-controller-operator-history
- **operator_operates_mine:** Lightning Streak Coal Company → M-2; 1977-08-18 to 1978-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Engle Vanguard → M-2; 1977-08-18 to 1978-01-24; source msha-controller-operator-history
- **controller_controls_operator:** Engle Vanguard → Lightning Streak Coal Company; 1977-08-18 to 1978-01-24; source msha-controller-operator-history
- **operator_operates_mine:** O & S Coal Company Inc → M-2; 1978-01-25 to 1978-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Osborne E W → M-2; 1978-01-25 to 1978-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Osborne E W → O & S Coal Company Inc; 1978-01-25 to 1978-04-04; source msha-controller-operator-history
- **operator_operates_mine:** O & S Coal Company → M-2; 1978-04-05 to 1979-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Swartwood T Marshall → M-2; 1978-04-05 to 1979-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Swartwood T Marshall → O & S Coal Company; 1978-04-05 to 1979-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Dixie Fuel Company → M-2; 1979-10-01 to 1988-12-28; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett  et al → Dixie Fuel Company; 1979-10-01 to 1988-12-28; source msha-controller-operator-history
- **operator_operates_mine:** Ash Trucking Company Inc → M-2; 1988-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry G  Loving → M-2; 1988-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry G  Loving → Ash Trucking Company Inc; 1988-12-29 to current/open; source msha-controller-operator-history