# Relationship history for MSHA mine 4608683

Current hierarchy: **Lexington Coal Holdings, Inc → Lexington Coal Company, LLC → Red Cedar Surface 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 → Red Cedar Surface Mine; 1991-12-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling → Red Cedar Surface Mine; 1994-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Edge Mining Inc → Red Cedar Surface Mine; 1997-12-01 to 2002-06-27; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Mountain Edge Mining Inc; 1997-12-01 to 2002-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Red Cedar Surface Mine; 2001-08-14 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Endurance Mining → Red Cedar Surface Mine; 2002-06-28 to 2013-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Endurance Mining; 2002-06-28 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Red Cedar Surface Mine; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Red Cedar Surface Mine; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Endurance Mining; 2011-06-01 to 2013-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Independence Coal Company, LLC → Red Cedar Surface Mine; 2014-01-01 to 2017-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Independence Coal Company, LLC; 2014-01-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Independence Coal Company, LLC; 2014-01-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Red Cedar Surface Mine; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Independence Coal Company, LLC; 2016-07-26 to 2017-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Lexington Coal Company, LLC → Red Cedar Surface Mine; 2017-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Holdings, Inc → Red Cedar Surface Mine; 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