# Relationship history for MSHA mine 4608224

Current hierarchy: **Alpha Metallurgical Resources Inc → Aracoma Coal Company Inc → No 6**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Carl  Kirk et al → No 6; 1988-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → No 6; 1990-09-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → No 6; 1992-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Taurus Coal Company Inc → No 6; 1992-09-01 to 2001-04-22; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Taurus Coal Company Inc; 1992-09-01 to 2001-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Gary D  Spurlock → No 6; 1992-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Amon L  Mahon → No 6; 1994-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → No 6; 1995-06-01 to 2004-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Copperas Coal Corp → No 6; 2001-04-23 to 2001-11-12; source msha-controller-operator-history
- **controller_controls_operator:** Gary D  Spurlock → Copperas Coal Corp; 2001-04-23 to 2001-11-12; source msha-controller-operator-history
- **operator_operates_mine:** Island Fork Construction Ltd., Inc. → No 6; 2001-11-13 to 2002-11-17; source msha-controller-operator-history
- **controller_controls_operator:** Amon L  Mahon → Island Fork Construction Ltd., Inc.; 2001-11-13 to 2002-11-17; source msha-controller-operator-history
- **operator_operates_mine:** North Star Contractors Incorporated → No 6; 2002-11-18 to 2005-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Kirk et al → North Star Contractors Incorporated; 2002-11-18 to 2005-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → No 6; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Creek Company Inc → No 6; 2005-01-19 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Laurel Creek Company Inc; 2005-01-19 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Laurel Creek Company Inc; 2005-01-19 to 2004-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Aracoma Coal Company Inc → No 6; 2009-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Aracoma Coal Company Inc; 2009-07-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → No 6; 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 6; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Aracoma Coal Company Inc; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → No 6; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Aracoma Coal Company Inc; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → No 6; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Aracoma Coal Company Inc; 2018-11-09 to current/open; source msha-controller-operator-history