# Relationship history for MSHA mine 1519048

Current hierarchy: **Mark  LaVerghetta → Management Consulting Services LLC → Mine #15a**

- 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:** James River Coal Company → Mine #15a; 1988-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul M  Hogg → Mine #15a; 1989-05-01 to 2025-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Ricky  Blair → Mine #15a; 1997-01-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Corp → Mine #15a; 2006-09-20 to 2008-02-20; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → McCoy Elkhorn Coal Corp; 2006-09-20 to 2008-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Blair Coal Co Inc → Mine #15a; 2008-02-21 to 2010-09-12; source msha-controller-operator-history
- **controller_controls_operator:** Ricky  Blair → Blair Coal Co Inc; 2008-02-21 to 2010-09-12; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Corp → Mine #15a; 2010-09-13 to 2014-09-05; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → McCoy Elkhorn Coal Corp; 2010-09-13 to 2014-09-05; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Co. → Mine #15a; 2014-09-06 to 2015-07-06; source msha-controller-operator-history
- **controller_controls_mine:** Opes Resources Inc → Mine #15a; 2014-09-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Opes Resources Inc → McCoy Elkhorn Coal Co.; 2014-09-06 to 2015-07-06; source msha-controller-operator-history
- **operator_operates_mine:** Jarisa Inc. → Mine #15a; 2015-07-07 to 2016-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Paul M  Hogg → Jarisa Inc.; 2015-07-07 to 2016-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Quest Energy Corporation → Mine #15a; 2016-02-17 to 2019-10-08; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal LLC → Mine #15a; 2016-10-10 to 2023-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Quest Energy Corporation → McCoy Elkhorn Coal LLC; 2016-10-10 to 2019-10-08; source msha-controller-operator-history
- **controller_controls_mine:** American Resources Corporation → Mine #15a; 2019-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Resources Corporation → McCoy Elkhorn Coal LLC; 2019-10-09 to 2023-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Mark  LaVerghetta → Mine #15a; 2021-03-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Management Consulting Services LLC → Mine #15a; 2023-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  LaVerghetta → Management Consulting Services LLC; 2023-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larissa  Bailey et al → Mine #15a; 2025-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larissa  Bailey et al → Jarisa Inc.; 2025-03-19 to 2016-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Hogg et al → Jarisa Inc.; 2025-03-19 to 2016-10-09; source msha-controller-operator-history