# Relationship history for MSHA mine 4604343

Current hierarchy: **Alpha Metallurgical Resources Inc → Kingston Mining Inc. → Kingston Processing**

- 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:** Lawson W  Hamilton Jr → Kingston Processing; 1974-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hansford Coal Company → Kingston Processing; 1974-10-22 to 1989-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Lawson W  Hamilton Jr → Hansford Coal Company; 1974-10-22 to 1989-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Rensford Processing Inc → Kingston Processing; 1989-08-01 to 1992-03-01; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → Kingston Processing; 1989-08-01 to 1992-03-01; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Rensford Processing Inc; 1989-08-01 to 1992-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Belmar Coal Processing Inc → Kingston Processing; 1992-03-02 to 1996-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Howard  Linville → Kingston Processing; 1992-03-02 to 1996-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Howard  Linville → Belmar Coal Processing Inc; 1992-03-02 to 1996-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Thomas L  Pruitt et al → Kingston Processing; 1995-07-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Emerald Processing L L C → Kingston Processing; 1996-04-02 to 1998-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Thomas L  Pruitt et al → Emerald Processing L L C; 1996-04-02 to 1998-01-15; source msha-controller-operator-history
- **controller_controls_operator:** William R  King et al → Emerald Processing L L C; 1996-04-02 to 1998-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Kingston Processing; 1997-09-27 to 2004-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Kingston Processing Inc → Kingston Processing; 1998-01-16 to 2013-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Kingston Processing; 1998-01-16 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Kingston Processing Inc; 1998-01-16 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → Kingston Processing; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Kingston Processing Inc; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Kingston Processing; 2009-07-31 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Kingston Processing; 2009-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Kingston Processing Inc; 2009-07-31 to 2013-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Kingston Mining Inc. → Kingston Processing; 2014-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Kingston Mining Inc.; 2014-01-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Kingston Mining Inc.; 2014-01-01 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Kingston Mining Inc.; 2014-01-01 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Kingston Processing; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Kingston Mining Inc.; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Kingston Processing; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Kingston Mining Inc.; 2018-11-09 to current/open; source msha-controller-operator-history