# Relationship history for MSHA mine 4605315

Current hierarchy: **Ashley N  Ward → Award Development, LLC → Caymus 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** American Electric Power Company Inc → Caymus Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cedar Coal Company → Caymus Mine; 1976-09-15 to 1984-09-30; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → Cedar Coal Company; 1976-09-15 to 1984-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Nu East Mining Corp → Caymus Mine; 1984-10-01 to 2009-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Eastern Gas & Fuel Association → Caymus Mine; 1984-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eastern Gas & Fuel Association → Nu East Mining Corp; 1984-10-01 to 2009-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling et al → Caymus Mine; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tommy  Payne et al → Caymus Mine; 2008-06-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RWMV,LLC → Caymus Mine; 2009-07-22 to 2009-12-06; source msha-controller-operator-history
- **controller_controls_operator:** Tommy  Payne et al → RWMV,LLC; 2009-07-22 to 2009-12-06; source msha-controller-operator-history
- **controller_controls_operator:** Andrew  Payne et al → RWMV,LLC; 2009-07-22 to 2009-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Hanover Resources, LLC → Caymus Mine; 2009-12-07 to 2014-10-13; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling et al → Hanover Resources, LLC; 2009-12-07 to 2014-10-13; source msha-controller-operator-history
- **controller_controls_mine:** James (Brad)  Maggard → Caymus Mine; 2012-08-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Thoroughbred Highwall Mining, LLC → Caymus Mine; 2014-10-14 to 2016-03-16; source msha-controller-operator-history
- **controller_controls_operator:** James (Brad)  Maggard → Thoroughbred Highwall Mining, LLC; 2014-10-14 to 2016-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Ashley N  Ward → Caymus Mine; 2015-06-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Award Development, LLC → Caymus Mine; 2016-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashley N  Ward → Award Development, LLC; 2016-03-17 to current/open; source msha-controller-operator-history