# Relationship history for MSHA mine 4503762

Current hierarchy: **Paul  Darst → Eiger Mountain Crushing, L.L.C. → Plant 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:** Eiger Mountain Crushing, L.L.C. → Plant 1; 2016-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Darst → Plant 1; 2016-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Darst → Eiger Mountain Crushing, L.L.C.; 2016-11-22 to current/open; source msha-controller-operator-history