# Relationship history for MSHA mine 4608146

Current hierarchy: **Douglas M  Epling → Hanover Resources, LLC → Point Lick Surface Facility**

- 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:** Ashland Inc et al → Point Lick Surface Facility; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company LLC → Point Lick Surface Facility; 1992-02-01 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company LLC; 1992-02-01 to 2005-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling et al → Point Lick Surface Facility; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Point Lick Surface Facility; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company LLC; 2005-12-31 to 2008-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Midland Trail Energy LLC → Point Lick Surface Facility; 2008-03-18 to 2016-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Point Lick Surface Facility; 2008-03-18 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Midland Trail Energy LLC; 2008-03-18 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Point Lick Surface Facility; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company LLC; 2008-07-23 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Midland Trail Energy LLC; 2008-07-23 to 2016-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Virginia Conservation Legacy Fund (VCLF) → Point Lick Surface Facility; 2015-10-28 to 2017-01-25; source msha-controller-operator-history
- **operator_operates_mine:** ERP Environmental Fund Inc → Point Lick Surface Facility; 2016-01-08 to 2019-02-24; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Conservation Legacy Fund (VCLF) → ERP Environmental Fund Inc; 2016-01-08 to 2017-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Kissito Healthcare Inc → Point Lick Surface Facility; 2017-01-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Kissito Healthcare Inc → ERP Environmental Fund Inc; 2017-01-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Virginia Conservation Legacy Fund (VCLF) → Point Lick Surface Facility; 2019-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Conservation Legacy Fund (VCLF) → ERP Environmental Fund Inc; 2019-01-01 to 2019-02-24; source msha-controller-operator-history
- **operator_operates_mine:** Hanover Resources, LLC → Point Lick Surface Facility; 2019-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling et al → Hanover Resources, LLC; 2019-02-25 to current/open; source msha-controller-operator-history