# Relationship history for MSHA mine 4407367

Current hierarchy: **Alpha Metallurgical Resources Inc → Paramont Contura, LLC → Toms Creek North**

- 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:** Hank K  Matney  et al → Toms Creek North; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Toms Creek North; 2016-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura, LLC → Toms Creek North; 2016-11-09 to 2017-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura, LLC; 2016-11-09 to 2017-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Capital Coal Corp. → Toms Creek North; 2017-05-09 to 2020-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Capital Coal Corp.; 2017-05-09 to 2020-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Capital Coal Corp.; 2017-05-09 to 2020-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Capital Coal Corp.; 2017-05-09 to 2020-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura, LLC → Toms Creek North; 2020-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura, LLC; 2020-03-31 to current/open; source msha-controller-operator-history