# Relationship history for MSHA mine 1518369

Current hierarchy: **Ricky T  Lucas → Black Pearl Mining Inc → Black Pearl 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Stiltner Ralph → Black Pearl Mining Inc No 3; 1984-05-30 to 1985-09-04; source msha-controller-operator-history
- **controller_controls_mine:** Jim D  Akers et al → Black Pearl Mining Inc No 3; 1993-12-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ricky  Blair → Black Pearl Mining Inc No 3; 1997-01-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** South Akers Mining Llc → Black Pearl Mining Inc No 3; 2001-04-01 to 2002-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Jim D  Akers et al → South Akers Mining Llc; 2001-04-01 to 2002-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Akers et al → South Akers Mining Llc; 2001-04-01 to 2002-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Robert B  Hughes et al → Black Pearl Mining Inc No 3; 2001-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Energy Coal, Inc. → Black Pearl Mining Inc No 3; 2002-02-07 to 2004-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Robert B  Hughes et al → Black Energy Coal, Inc.; 2002-02-07 to 2004-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Kenny  Fleming  et al → Black Energy Coal, Inc.; 2002-02-07 to 2004-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Jessica R  Lester et al → Black Pearl Mining Inc No 3; 2003-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Farley et al → Black Pearl Mining Inc No 3; 2003-04-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S & B Energy, Inc. → Black Pearl Mining Inc No 3; 2004-09-10 to 2005-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Ralph → S & B Energy, Inc.; 2004-09-10 to 1985-09-04; source msha-controller-operator-history
- **controller_controls_mine:** Robert B  Hughes → Black Pearl Mining Inc No 3; 2004-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert B  Hughes → S & B Energy, Inc.; 2004-09-10 to 2005-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Linn Branch Coal, Inc. → Black Pearl Mining Inc No 3; 2005-07-15 to 2007-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Farley et al → Linn Branch Coal, Inc.; 2005-07-15 to 2007-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Blair Coal Company Inc → Black Pearl Mining Inc No 3; 2007-08-28 to 2008-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Ricky  Blair → Blair Coal Company Inc; 2007-08-28 to 2008-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Inspiration Resources Inc → Black Pearl Mining Inc No 3; 2008-02-21 to 2013-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Jessica R  Lester et al → Inspiration Resources Inc; 2008-02-21 to 2013-04-25; source msha-controller-operator-history
- **controller_controls_mine:** Ricky T  Lucas → Black Pearl Mining Inc No 3; 2011-10-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Pearl Mining Inc → Black Pearl Mining Inc No 3; 2013-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ricky T  Lucas → Black Pearl Mining Inc; 2013-04-26 to current/open; source msha-controller-operator-history