# Relationship history for MSHA mine 1517547

Current hierarchy: **Charles  Collins → JRC Mining, Inc. → Strip**

- 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:** Randy  Gilkerson et al → Strip; 1992-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** M Lynn  Parrish → Strip; 1994-03-01 to 1998-10-18; source msha-controller-operator-history
- **operator_operates_mine:** Motts Branch Coal Inc → Strip; 1994-06-01 to 1994-08-28; source msha-controller-operator-history
- **controller_controls_operator:** M Lynn  Parrish → Motts Branch Coal Inc; 1994-06-01 to 1994-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Black Rose Coal Company → Strip; 1994-08-29 to 1996-04-08; source msha-controller-operator-history
- **controller_controls_mine:** Jerry D  Boyd → Strip; 1994-08-29 to 1996-04-08; source msha-controller-operator-history
- **controller_controls_operator:** Jerry D  Boyd → Black Rose Coal Company; 1994-08-29 to 1996-04-08; source msha-controller-operator-history
- **operator_operates_mine:** Motts Branch Coal Inc → Strip; 1996-04-09 to 1996-04-24; source msha-controller-operator-history
- **controller_controls_operator:** M Lynn  Parrish → Motts Branch Coal Inc; 1996-04-09 to 1996-04-24; source msha-controller-operator-history
- **operator_operates_mine:** A & S Coal Company Inc → Strip; 1996-04-25 to 1998-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Bobby  Newsome → Strip; 1996-04-25 to 1998-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Bobby  Newsome → A & S Coal Company Inc; 1996-04-25 to 1998-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Ember Contracting Inc → Strip; 1998-05-22 to 1998-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Gilkerson et al → Ember Contracting Inc; 1998-05-22 to 1998-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Shamrock Contracting Inc → Strip; 1998-11-09 to 1999-12-05; source msha-controller-operator-history
- **controller_controls_mine:** Todd  Mayhorn → Strip; 1998-11-09 to 1999-12-05; source msha-controller-operator-history
- **controller_controls_operator:** Todd  Mayhorn → Shamrock Contracting Inc; 1998-11-09 to 1999-12-05; source msha-controller-operator-history
- **operator_operates_mine:** Bubber Coal Inc → Strip; 1999-12-06 to 2003-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Thornsbury et al → Strip; 1999-12-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Thornsbury et al → Bubber Coal Inc; 1999-12-06 to 2003-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Freddie  Anderson et al → Bubber Coal Inc; 1999-12-06 to 2003-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Double A Mining, Inc. → Strip; 2003-01-17 to 2022-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Alice  Hall → Strip; 2003-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alice  Hall → Double A Mining, Inc.; 2003-01-17 to 2022-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → Strip; 2013-06-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JRC Mining, Inc. → Strip; 2022-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → JRC Mining, Inc.; 2022-03-29 to current/open; source msha-controller-operator-history