# Relationship history for MSHA mine 4801900

Current hierarchy: **Nicholas  Hout → 383 Construction LLC → Crusher 3**

- 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

- **controller_controls_mine:** Nicholas  Hout → Crusher 3; 2019-06-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 383 Construction LLC → Crusher 3; 2025-07-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicholas  Hout → 383 Construction LLC; 2025-07-28 to current/open; source msha-controller-operator-history