# Relationship history for MSHA mine 1518050

Current hierarchy: **James L  Bevins → New Age Mining LLC → No. 2**

- 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:** Thomas A  Potter et al → No. 2; 1987-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sunny Ridge Mining Company Inc → No. 2; 1998-05-01 to 2010-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Sunny Ridge Mining Company Inc; 1998-05-01 to 2010-06-09; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Sunny Ridge Mining Company Inc; 1998-05-01 to 2010-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Bill C  Smith → No. 2; 2010-03-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J 1 Mining LLC → No. 2; 2010-06-10 to 2011-03-07; source msha-controller-operator-history
- **controller_controls_operator:** Bill C  Smith → J 1 Mining LLC; 2010-06-10 to 2011-03-07; source msha-controller-operator-history
- **controller_controls_mine:** Douglas K  Tackett → No. 2; 2010-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick S  Detherage → No. 2; 2011-01-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Somer Grace Coal Company L. L. C. → No. 2; 2011-03-08 to 2012-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Patrick S  Detherage → Somer Grace Coal Company L. L. C.; 2011-03-08 to 2012-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Mercy Mining, LLC → No. 2; 2012-01-27 to 2017-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Douglas K  Tackett → Mercy Mining, LLC; 2012-01-27 to 2017-04-25; source msha-controller-operator-history
- **controller_controls_mine:** James L Bevins et al → No. 2; 2016-06-08 to 2019-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Herbert R Hamilton → No. 2; 2017-01-06 to 2017-01-06; source msha-controller-operator-history
- **operator_operates_mine:** New Age Mining LLC → No. 2; 2017-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L Bevins et al → New Age Mining LLC; 2017-04-26 to 2019-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Tonya  Conley et al → New Age Mining LLC; 2017-04-26 to 2019-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Herbert R Hamilton → New Age Mining LLC; 2017-04-26 to 2017-01-06; source msha-controller-operator-history
- **controller_controls_mine:** James L  Bevins → No. 2; 2020-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Bevins → New Age Mining LLC; 2020-01-01 to current/open; source msha-controller-operator-history
