# Relationship history for MSHA mine 1519492

Current hierarchy: **James River Coal Company → McCoy Elkhorn Coal Corp → #31**

- 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:** James River Coal Company → #31; 1988-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Daniels  et al → #31; 2009-12-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Corp → #31; 2010-05-01 to 2011-03-08; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → McCoy Elkhorn Coal Corp; 2010-05-01 to 2011-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Superior Mining L. L. C. → #31; 2011-03-09 to 2012-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Daniels  et al → Superior Mining L. L. C.; 2011-03-09 to 2012-03-12; source msha-controller-operator-history
- **controller_controls_operator:** John (Michael)  Fannin  et al → Superior Mining L. L. C.; 2011-03-09 to 2012-03-12; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Corp → #31; 2012-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → McCoy Elkhorn Coal Corp; 2012-03-13 to current/open; source msha-controller-operator-history