# Relationship history for MSHA mine 1516460

Current hierarchy: **Alliance Resource Partners LP → Warrior Coal Llc → Foxfire 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Smith William Keith → Foxfire Mine; 1974-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul E  Roberts et al → Foxfire Mine; 1983-02-10 to 2001-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Circle S Coal Company Inc → Foxfire Mine; 1988-08-01 to 1989-08-08; source msha-controller-operator-history
- **controller_controls_operator:** Smith William Keith → Circle S Coal Company Inc; 1988-08-01 to 1989-08-08; source msha-controller-operator-history
- **operator_operates_mine:** Christian Coal Corp → Foxfire Mine; 1989-08-09 to 2001-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  Roberts et al → Christian Coal Corp; 1989-08-09 to 2001-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Warrior Coal Llc → Foxfire Mine; 2001-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Foxfire Mine; 2001-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Warrior Coal Llc; 2001-01-27 to current/open; source msha-controller-operator-history