# Relationship history for MSHA mine 4002988

Current hierarchy: **Skeens Jermiah → Big Mountain Mining Inc → Mine 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Rex Coal Company Inc → Mine No 1; 1988-05-01 to 1990-10-18; source msha-controller-operator-history
- **controller_controls_mine:** Lowe Terry → Mine No 1; 1988-05-01 to 1990-10-18; source msha-controller-operator-history
- **controller_controls_operator:** Lowe Terry → Rex Coal Company Inc; 1988-05-01 to 1990-10-18; source msha-controller-operator-history
- **controller_controls_mine:** Ronnie A  Edwards → Mine No 1; 1988-06-20 to 1993-05-27; source msha-controller-operator-history
- **operator_operates_mine:** Little Jenny'S Coal Company Inc → Mine No 1; 1990-10-19 to 1993-05-27; source msha-controller-operator-history
- **controller_controls_operator:** Ronnie A  Edwards → Little Jenny'S Coal Company Inc; 1990-10-19 to 1993-05-27; source msha-controller-operator-history
- **operator_operates_mine:** Avon Coal Inc → Mine No 1; 1993-05-28 to 1994-01-11; source msha-controller-operator-history
- **controller_controls_mine:** O'Quinn Avon → Mine No 1; 1993-05-28 to 1994-01-11; source msha-controller-operator-history
- **controller_controls_operator:** O'Quinn Avon → Avon Coal Inc; 1993-05-28 to 1994-01-11; source msha-controller-operator-history
- **operator_operates_mine:** Sun Mining Inc → Mine No 1; 1994-01-12 to 1995-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Holbrook Danny → Mine No 1; 1994-01-12 to 1995-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Holbrook Danny → Sun Mining Inc; 1994-01-12 to 1995-02-21; source msha-controller-operator-history
- **operator_operates_mine:** Faith Coal Company Inc → Mine No 1; 1995-02-22 to 1995-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Lee A  Brown → Mine No 1; 1995-02-22 to 1995-05-15; source msha-controller-operator-history
- **controller_controls_operator:** Lee A  Brown → Faith Coal Company Inc; 1995-02-22 to 1995-05-15; source msha-controller-operator-history
- **operator_operates_mine:** Lone Wolf Inc → Mine No 1; 1995-05-16 to 1996-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Thacker Brian → Mine No 1; 1995-05-16 to 1996-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Thacker Brian → Lone Wolf Inc; 1995-05-16 to 1996-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Five Son'S Mining Inc → Mine No 1; 1996-03-11 to 1997-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Argobright Victor → Mine No 1; 1996-03-11 to 1997-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Argobright Victor → Five Son'S Mining Inc; 1996-03-11 to 1997-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Big Mountain Mining Inc → Mine No 1; 1997-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Skeens Jermiah → Mine No 1; 1997-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Skeens Jermiah → Big Mountain Mining Inc; 1997-01-15 to current/open; source msha-controller-operator-history