# Relationship history for MSHA mine 1500590

Current hierarchy: **Joseph T  Bennett → Dixie Fuel Company → 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:** Dixie Fuel Company → No 1; 1950-01-01 to 1992-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Joseph T  Bennett  et al → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett  et al → Dixie Fuel Company; 1950-01-01 to 1992-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Terry G  Loving → No 1; 1988-12-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ash Trucking Company Inc → No 1; 1992-11-20 to 1993-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Terry G  Loving → Ash Trucking Company Inc; 1992-11-20 to 1993-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Dixie Fuel Company → No 1; 1994-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett  et al → Dixie Fuel Company; 1994-01-01 to current/open; source msha-controller-operator-history