# Relationship history for MSHA mine 1516695

Current hierarchy: **O A  Stump Jr → Arjay Mining Inc → 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:** Asbury Charles M - Gary Asher Et Al → No 3; 1988-05-01 to 1991-02-03; source msha-controller-operator-history
- **operator_operates_mine:** Four A Coal Company → No 3; 1989-07-01 to 1991-02-03; source msha-controller-operator-history
- **controller_controls_operator:** Asbury Charles M - Gary Asher Et Al → Four A Coal Company; 1989-07-01 to 1991-02-03; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Coal Mining Company Inc → No 3; 1991-02-04 to 1996-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Phipps William → No 3; 1991-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phipps William → Black Mountain Coal Mining Company Inc; 1991-02-04 to 1996-07-11; source msha-controller-operator-history
- **controller_controls_mine:** O A  Stump Jr et al → No 3; 1993-10-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Arjay Mining Inc → No 3; 1996-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O A  Stump Jr et al → Arjay Mining Inc; 1996-07-12 to current/open; source msha-controller-operator-history