# Relationship history for MSHA mine 2402672

Current hierarchy: **Bristol Bay Native Corporation → Peak Aggregate Products → Timber Creek**

- 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:** Peak Aggregate Products → Timber Creek; 2014-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bristol Bay Native Corporation → Timber Creek; 2014-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bristol Bay Native Corporation → Peak Aggregate Products; 2014-04-01 to current/open; source msha-controller-operator-history