# Relationship history for MSHA mine 4105768

Current hierarchy: **Robert Chad Herrington 1998 GST Trust; 2017 Herrington Children's GST Tr → Herrington Aggregates, LP → Herrington Aggregates**

- 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:** Herrington Aggregates, LP → Herrington Aggregates; 2024-09-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert Chad  Herrington → Herrington Aggregates; 2024-09-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert Chad  Herrington → Herrington Aggregates, LP; 2024-09-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert Chad Herrington 1998 GST Trust → Herrington Aggregates, LP; 2024-09-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** 2017 Herrington Children's GST Trust → Herrington Aggregates, LP; 2024-09-11 to current/open; source msha-controller-operator-history