# Relationship history for MSHA mine 4404743

Current hierarchy: **Stanley Darrell → Rebel Coals Inc → Tipple #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:** Bav Liquidating Corp → Tipple #1; 1950-01-01 to 1979-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Meade → Tipple #1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Virginia Iron Coal & Coke Company → Tipple #1; 1977-06-01 to 1979-06-28; source msha-controller-operator-history
- **controller_controls_operator:** Bav Liquidating Corp → Virginia Iron Coal & Coke Company; 1977-06-01 to 1979-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Virginia Iron Coal & Coke Company → Tipple #1; 1979-06-29 to 1988-04-12; source msha-controller-operator-history
- **controller_controls_mine:** El Paso Energy Corp → Tipple #1; 1979-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** El Paso Energy Corp → Virginia Iron Coal & Coke Company; 1979-06-29 to 1988-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Black Energy Coal Inc → Tipple #1; 1988-04-13 to 1993-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Lewis Ira Joe → Tipple #1; 1988-04-13 to 1993-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Lewis Ira Joe → Black Energy Coal Inc; 1988-04-13 to 1993-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Acclaim Coal Sales Inc → Tipple #1; 1993-06-08 to 1994-11-03; source msha-controller-operator-history
- **controller_controls_mine:** Darrell  Grigsby → Tipple #1; 1993-06-08 to 1994-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Darrell  Grigsby → Acclaim Coal Sales Inc; 1993-06-08 to 1994-11-03; source msha-controller-operator-history
- **controller_controls_mine:** David  Grigsby → Tipple #1; 1994-11-01 to 1999-10-03; source msha-controller-operator-history
- **operator_operates_mine:** W D Coals Inc → Tipple #1; 1994-11-04 to 1995-05-31; source msha-controller-operator-history
- **controller_controls_operator:** David  Grigsby → W D Coals Inc; 1994-11-04 to 1995-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Golden Minerals Inc → Tipple #1; 1995-06-01 to 1996-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Meade → Golden Minerals Inc; 1995-06-01 to 1996-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Rebel Coals Inc → Tipple #1; 1996-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanley Darrell → Tipple #1; 1996-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanley Darrell → Rebel Coals Inc; 1996-09-18 to current/open; source msha-controller-operator-history