# Relationship history for MSHA mine 5100298

Current hierarchy: **Nowel  Dudoit-Alana → Kalaka Nui, Inc. → BR-550 Crusher**

- 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:** Kalaka Nui, Inc. → BR-550 Crusher; 2010-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nowel  Dudoit-Alana et al → BR-550 Crusher; 2010-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nowel  Dudoit-Alana et al → Kalaka Nui, Inc.; 2010-12-30 to current/open; source msha-controller-operator-history