# Relationship history for MSHA mine 6000006

Current hierarchy: **Lauli'i  Alofa → Paramount Builders Inc. → Paramount 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:** Paramount Builders Inc. → Paramount Crusher; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lauli'i  Alofa → Paramount Crusher; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lauli'i  Alofa → Paramount Builders Inc.; 2016-05-25 to current/open; source msha-controller-operator-history