# Relationship history for MSHA mine 1401841

Current hierarchy: **Cesar  Pena → S & S Rock Crushing, Inc. → Withers Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** S & S Rock Crushing, Inc. → Withers Pit; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cesar  Pena → Withers Pit; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cesar  Pena → S & S Rock Crushing, Inc.; 2024-01-10 to current/open; source msha-controller-operator-history