# Relationship history for MSHA mine 4608019

Current hierarchy: **Alpha Metallurgical Resources Inc → Aracoma Coal Company, LLC → No 1**

- 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:** Massey Energy Company → No 1; 1990-09-01 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Cas-Coal Inc → No 1; 1991-04-01 to 1992-12-20; source msha-controller-operator-history
- **controller_controls_mine:** (Donald) Todd  Kiscaden et al → No 1; 1991-04-01 to 1992-12-20; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Cas-Coal Inc; 1991-04-01 to 1992-12-20; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Reed → No 1; 1992-01-01 to 1995-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Diablo Coal Company → No 1; 1992-12-21 to 1995-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Reed → Diablo Coal Company; 1992-12-21 to 1995-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Diablo Coal Company → No 1; 1995-05-24 to 1995-08-28; source msha-controller-operator-history
- **controller_controls_mine:** (Donald) Todd  Kiscaden et al → No 1; 1995-05-24 to 1995-08-28; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Diablo Coal Company; 1995-05-24 to 1995-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → No 1; 1995-06-01 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Bruce  Burgess → No 1; 1995-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kedco Inc → No 1; 1995-08-29 to 1999-06-23; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Burgess → Kedco Inc; 1995-08-29 to 1999-06-23; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Creek Company Inc → No 1; 1999-06-24 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Laurel Creek Company Inc; 1999-06-24 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → No 1; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Laurel Creek Company Inc; 2004-07-30 to 2009-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Aracoma Coal Company, LLC → No 1; 2009-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Aracoma Coal Company, LLC; 2009-07-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → No 1; 2009-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Laurel Creek Company Inc; 2009-07-31 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → No 1; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Aracoma Coal Company, LLC; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → No 1; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Aracoma Coal Company, LLC; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → No 1; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Aracoma Coal Company, LLC; 2018-11-09 to current/open; source msha-controller-operator-history