# Relationship history for MSHA mine 4407308

Current hierarchy: **Alpha Metallurgical Resources Inc → PARAMONT CONTURA, LLC → DEEP MINE 44**

- 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:** Rick A  Matney  et al → DEEP MINE 44; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → DEEP MINE 44; 2002-12-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company Virginia, LLC → DEEP MINE 44; 2013-04-10 to 2015-12-13; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company Virginia, LLC; 2013-04-10 to 2015-12-13; source msha-controller-operator-history
- **operator_operates_mine:** Capital Coal Corporation → DEEP MINE 44; 2015-12-14 to 2017-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Capital Coal Corporation; 2015-12-14 to 2017-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Capital Coal Corporation; 2015-12-14 to 2017-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Capital Coal Corporation; 2015-12-14 to 2017-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → DEEP MINE 44; 2016-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura, LLC → DEEP MINE 44; 2017-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura, LLC; 2017-08-21 to current/open; source msha-controller-operator-history
