# Relationship history for MSHA mine 0202844

Current hierarchy: **Allison John P & Daniel M Carney → Al/Far Mining Company Llc → AL/FAR #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Al/Far Mining Company Llc → AL/FAR #1; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Allison John P & Daniel M Carney → AL/FAR #1; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allison John P & Daniel M Carney → Al/Far Mining Company Llc; 1999-10-01 to current/open; source msha-controller-operator-history