# Relationship history for MSHA mine 4608870

Current hierarchy: **Ashley N  Ward → Award Development, LLC → Synergy Surface Mine No 1**

- 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:** Douglas M  Epling et al → Synergy Surface Mine No 1; 2000-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Legacy Resources Llc → Synergy Surface Mine No 1; 2000-12-01 to 2001-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling → Synergy Surface Mine No 1; 2000-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Legacy Resources Llc; 2000-12-01 to 2001-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Horizon Resources Llc → Synergy Surface Mine No 1; 2001-02-28 to 2001-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Asset Management Group et al → Synergy Surface Mine No 1; 2001-02-28 to 2001-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Asset Management Group et al → Horizon Resources Llc; 2001-02-28 to 2001-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Legacy Resources, LLC → Synergy Surface Mine No 1; 2001-10-01 to 2002-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Legacy Resources, LLC; 2001-10-01 to 2002-02-12; source msha-controller-operator-history
- **operator_operates_mine:** Hanover Resources, LLC → Synergy Surface Mine No 1; 2002-02-13 to 2002-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling et al → Hanover Resources, LLC; 2002-02-13 to 2002-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Legacy Resources LLC → Synergy Surface Mine No 1; 2002-05-15 to 2014-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Legacy Resources LLC; 2002-05-15 to 2014-05-22; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Mining LLC → Synergy Surface Mine No 1; 2014-05-23 to 2015-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Cheryl  Davis → Synergy Surface Mine No 1; 2014-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cheryl  Davis → Eagle Mining LLC; 2014-05-23 to 2015-07-08; source msha-controller-operator-history
- **controller_controls_operator:** James E Moore → Eagle Mining LLC; 2014-05-23 to 2015-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Ashley N  Ward → Synergy Surface Mine No 1; 2015-06-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Award Development, LLC → Synergy Surface Mine No 1; 2015-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashley N  Ward → Award Development, LLC; 2015-07-09 to current/open; source msha-controller-operator-history