# Relationship history for MSHA mine 4609269

Current hierarchy: **Lexington Coal Holdings, Inc → Lexington Coal Company, LLC → Mine No 8**

- 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 → Mine No 8; 1990-09-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Mine No 8; 1995-06-01 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Mine No 8; 1996-02-05 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → Mine No 8; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Creek Co., Inc. → Mine No 8; 2008-03-24 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Laurel Creek Co., Inc.; 2008-03-24 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Laurel Creek Co., Inc.; 2008-03-24 to 2004-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Aracoma Coal Company → Mine No 8; 2009-07-20 to 2010-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Aracoma Coal Company; 2009-07-20 to 2010-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine No 8; 2009-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Laurel Creek Co., Inc.; 2009-07-31 to 2009-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Spartan Mining Company, LLC → Mine No 8; 2010-07-23 to 2017-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Spartan Mining Company, LLC; 2010-07-23 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine No 8; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Aracoma Coal Company; 2011-06-01 to 2010-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Spartan Mining Company, LLC; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Mine No 8; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Aracoma Coal Company; 2016-07-26 to 2010-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Spartan Mining Company, LLC; 2016-07-26 to 2017-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Lexington Coal Company, LLC → Mine No 8; 2017-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Holdings, Inc → Mine No 8; 2017-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Holdings, Inc → Lexington Coal Company, LLC; 2017-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Mine No 8; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Aracoma Coal Company; 2018-11-09 to 2010-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Spartan Mining Company, LLC; 2018-11-09 to 2017-10-22; source msha-controller-operator-history