# Relationship history for MSHA mine 1518997

Current hierarchy: **Matt  Short → KY King Coal Incorporated → 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:** Ray  Slone Jr → No 1; 2004-02-02 to 2008-02-10; source msha-controller-operator-history
- **operator_operates_mine:** Abundance Coal Inc → No 1; 2006-05-12 to 2007-08-21; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Slone Jr → Abundance Coal Inc; 2006-05-12 to 2007-08-21; source msha-controller-operator-history
- **operator_operates_mine:** KY King Coal Incorporated → No 1; 2007-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matt  Short → No 1; 2007-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Short → KY King Coal Incorporated; 2007-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ray  Slone Sr → No 1; 2008-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Slone Sr → Abundance Coal Inc; 2008-02-11 to 2007-08-21; source msha-controller-operator-history