# Relationship history for MSHA mine 1516439

Current hierarchy: **Owens Danny Ray → Stone Mountain Coal → Stone Mt Coal #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

- **controller_controls_mine:** Benjamin R.  Bennett → Stone Mt Coal #1; 1979-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bobby Joe  Hensley → Stone Mt Coal #1; 1982-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rb Coal Company Inc → Stone Mt Coal #1; 1988-08-01 to 1993-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Rb Coal Company Inc; 1988-08-01 to 1993-01-03; source msha-controller-operator-history
- **operator_operates_mine:** Day Branch Coal Company Inc → Stone Mt Coal #1; 1993-01-04 to 1994-12-18; source msha-controller-operator-history
- **controller_controls_operator:** Bobby Joe  Hensley → Day Branch Coal Company Inc; 1993-01-04 to 1994-12-18; source msha-controller-operator-history
- **operator_operates_mine:** H & R Mining Company Inc → Stone Mt Coal #1; 1994-12-19 to 1995-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Meade Wilson R → Stone Mt Coal #1; 1994-12-19 to 1995-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Meade Wilson R → H & R Mining Company Inc; 1994-12-19 to 1995-06-07; source msha-controller-operator-history
- **operator_operates_mine:** T R C Coal Company → Stone Mt Coal #1; 1995-06-08 to 1995-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Roddy Terry → Stone Mt Coal #1; 1995-06-08 to 1995-08-29; source msha-controller-operator-history
- **controller_controls_operator:** Roddy Terry → T R C Coal Company; 1995-06-08 to 1995-08-29; source msha-controller-operator-history
- **operator_operates_mine:** Bic Coal Company Inc → Stone Mt Coal #1; 1995-08-30 to 1995-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Middleton Wendell L → Stone Mt Coal #1; 1995-08-30 to 1995-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Middleton Wendell L → Bic Coal Company Inc; 1995-08-30 to 1995-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Stone Mountain Coal → Stone Mt Coal #1; 1995-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Owens Danny Ray → Stone Mt Coal #1; 1995-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Owens Danny Ray → Stone Mountain Coal; 1995-09-20 to current/open; source msha-controller-operator-history