# Relationship history for MSHA mine 4407231

Current hierarchy: **Alpha Metallurgical Resources Inc → Paramont Contura, LLC → Deep Mine 37**

- 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:** Alpha Natural Resources, Inc. → Deep Mine 37; 2002-12-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company Virginia LLC → Deep Mine 37; 2008-07-16 to 2016-04-24; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company Virginia LLC; 2008-07-16 to 2016-04-24; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Bevins → Deep Mine 37; 2012-09-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dynasty Mining Inc → Deep Mine 37; 2016-04-25 to 2016-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Bevins → Dynasty Mining Inc; 2016-04-25 to 2016-05-30; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company Virginia, LLC → Deep Mine 37; 2016-05-31 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company Virginia, LLC; 2016-05-31 to 2016-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura, LLC → Deep Mine 37; 2016-07-26 to 2016-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Deep Mine 37; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura, LLC; 2016-07-26 to 2016-08-01; source msha-controller-operator-history
- **operator_operates_mine:** Central App. Coal Co. → Deep Mine 37; 2016-08-02 to 2017-08-10; source msha-controller-operator-history
- **controller_controls_mine:** David J  Stanley et al → Deep Mine 37; 2016-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David J  Stanley et al → Central App. Coal Co.; 2016-08-02 to 2017-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Jody W  Fleming et al → Central App. Coal Co.; 2016-08-02 to 2017-08-10; source msha-controller-operator-history
- **operator_operates_mine:** CMK Resources Inc. → Deep Mine 37; 2017-08-11 to 2017-12-03; source msha-controller-operator-history
- **controller_controls_mine:** David J  Stanley → Deep Mine 37; 2017-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David J  Stanley → CMK Resources Inc.; 2017-08-11 to 2017-12-03; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura, LLC → Deep Mine 37; 2017-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura, LLC; 2017-12-04 to current/open; source msha-controller-operator-history