# Relationship history for MSHA mine 1515455

Current hierarchy: **Broe Companies Inc → Century Operations LLC → #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:** Bow Valley Industries Ltd → #1; 1980-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bow Valley Coal (Ky) Inc → #1; 1985-12-01 to 1987-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Bow Valley Industries Ltd → Bow Valley Coal (Ky) Inc; 1985-12-01 to 1987-02-15; source msha-controller-operator-history
- **operator_operates_mine:** Crockett Collieries (Ky) Inc → #1; 1987-02-16 to 1995-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Great Western Resources Inc → #1; 1987-02-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Great Western Resources Inc → Crockett Collieries (Ky) Inc; 1987-02-16 to 1995-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → #1; 1992-02-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crockett Collieries (Ky) Inc → #1; 1995-08-15 to 1995-09-10; source msha-controller-operator-history
- **controller_controls_mine:** George E  Barker → #1; 1995-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George E  Barker → Crockett Collieries (Ky) Inc; 1995-08-15 to 1995-09-10; source msha-controller-operator-history
- **operator_operates_mine:** Good Coal Company → #1; 1995-09-11 to 1997-06-17; source msha-controller-operator-history
- **controller_controls_mine:** James  Goodwin → #1; 1995-09-11 to 1997-06-17; source msha-controller-operator-history
- **controller_controls_operator:** James  Goodwin → Good Coal Company; 1995-09-11 to 1997-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Good Coal Company → #1; 1997-06-18 to 1998-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Stacy → #1; 1997-06-18 to 1998-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Stacy → Good Coal Company; 1997-06-18 to 1998-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Calvary Coal Company Inc → #1; 1998-05-22 to 2001-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → Calvary Coal Company Inc; 1998-05-22 to 2001-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Roy C  Wagner → #1; 1999-10-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Free Dome Coal Inc → #1; 2001-01-16 to 2004-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy  Root  et al → #1; 2001-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy  Root  et al → Free Dome Coal Inc; 2001-01-16 to 2004-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Donnie  Wagers  et al → Free Dome Coal Inc; 2001-01-16 to 2004-02-23; source msha-controller-operator-history
- **operator_operates_mine:** CoLe Mining Company Inc → #1; 2004-02-24 to 2004-12-26; source msha-controller-operator-history
- **controller_controls_mine:** Cecil  Lewis → #1; 2004-02-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cecil  Lewis → CoLe Mining Company Inc; 2004-02-24 to 2004-12-26; source msha-controller-operator-history
- **operator_operates_mine:** REBCO COAL INC. → #1; 2004-12-27 to 2005-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Roy C  Wagner → REBCO COAL INC.; 2004-12-27 to 2005-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Century Operations LLC → #1; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Broe Companies Inc → #1; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Broe Companies Inc → Century Operations LLC; 2005-01-14 to current/open; source msha-controller-operator-history