# Relationship history for MSHA mine 0101289

Current hierarchy: **Robert  Ivens → Al Select Inc → Bledsoe Mine No 3**

- 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:** Gravitt Herbert Sr → Bledsoe Mine No 3; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gravitt Coal Company Inc → Bledsoe Mine No 3; 1974-11-01 to 1981-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Gravitt Herbert Sr → Gravitt Coal Company Inc; 1974-11-01 to 1981-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Hope Coal Company → Bledsoe Mine No 3; 1981-11-16 to 1983-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Burks William H & Curtis E Roberts → Bledsoe Mine No 3; 1981-11-16 to 1983-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Burks William H & Curtis E Roberts → Hope Coal Company; 1981-11-16 to 1983-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Long James Lee → Bledsoe Mine No 3; 1983-12-01 to 2001-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Black Panther Coal Company Inc → Bledsoe Mine No 3; 1983-12-13 to 2001-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Long James Lee → Black Panther Coal Company Inc; 1983-12-13 to 2001-05-01; source msha-controller-operator-history
- **controller_controls_mine:** James B  Simpkins → Bledsoe Mine No 3; 1997-05-02 to 2002-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Al Select Inc → Bledsoe Mine No 3; 2001-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James B  Simpkins → Al Select Inc; 2001-05-02 to 2002-03-24; source msha-controller-operator-history
- **controller_controls_mine:** ARVILLE  CLINE → Bledsoe Mine No 3; 2002-03-25 to 2003-09-25; source msha-controller-operator-history
- **controller_controls_operator:** ARVILLE  CLINE → Al Select Inc; 2002-03-25 to 2003-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Ivens → Bledsoe Mine No 3; 2003-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Ivens → Al Select Inc; 2003-09-26 to current/open; source msha-controller-operator-history