# Relationship history for MSHA mine 3608819

Current hierarchy: **Daniel R  Cable → Allegheny Aggregate Inc → Allegheny Aggregate Inc**

- 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:** Allegheny Aggregate Inc → Allegheny Aggregate Inc; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David E  Turner → Allegheny Aggregate Inc; 1999-10-01 to 2017-04-26; source msha-controller-operator-history
- **controller_controls_operator:** David E  Turner → Allegheny Aggregate Inc; 1999-10-01 to 2017-04-26; source msha-controller-operator-history
- **controller_controls_mine:** Daniel R  Cable → Allegheny Aggregate Inc; 2017-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R  Cable → Allegheny Aggregate Inc; 2017-04-27 to current/open; source msha-controller-operator-history