# Relationship history for MSHA mine 2602795

Current hierarchy: ** → H.E. Hunewill Construction Co.,Inc. → 1800Warrior Power Screen S/N 12303493**

- 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

Historical edge projection is not bundled for this mine yet.