# Relationship history for MSHA mine 4608387

Current hierarchy: **Alpha Metallurgical Resources Inc → Spartan Mining Company → Laurel Creek/Spirit Mine**

- 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:** Massey Energy Company → Laurel Creek/Spirit Mine; 1974-01-01 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Elk Run Coal Company Inc → Laurel Creek/Spirit Mine; 1994-01-01 to 2004-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Elk Run Coal Company Inc; 1994-01-01 to 2004-02-17; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Laurel Creek/Spirit Mine; 1996-02-05 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Ronald G  Goff → Laurel Creek/Spirit Mine; 2000-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Spartan Mining Company → Laurel Creek/Spirit Mine; 2004-02-18 to 2004-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Spartan Mining Company; 2004-02-18 to 2004-09-26; source msha-controller-operator-history
- **operator_operates_mine:** RAMA Development Co., Inc. → Laurel Creek/Spirit Mine; 2004-09-27 to 2004-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Ronald G  Goff → RAMA Development Co., Inc.; 2004-09-27 to 2004-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Spartan Mining Company → Laurel Creek/Spirit Mine; 2004-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Spartan Mining Company; 2004-11-08 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Laurel Creek/Spirit Mine; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Elk Run Coal Company Inc; 2011-06-01 to 2004-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Spartan Mining Company; 2011-06-01 to 2004-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Spartan Mining Company; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Laurel Creek/Spirit Mine; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Elk Run Coal Company Inc; 2016-07-26 to 2004-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Spartan Mining Company; 2016-07-26 to 2004-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Spartan Mining Company; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Laurel Creek/Spirit Mine; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Elk Run Coal Company Inc; 2018-11-09 to 2004-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Spartan Mining Company; 2018-11-09 to 2004-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Spartan Mining Company; 2018-11-09 to current/open; source msha-controller-operator-history