# Relationship history for MSHA mine 4105933

Current hierarchy: **Moriah TFS Holdings LLC → Thompson Field Services → IRT**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-31T05:30:38.571947+00:00

## Valid-time edges

Historical edge projection is not bundled for this mine yet.