# Relationship history for MSHA mine 3503754

Current hierarchy: **Aggregate Resource Industries Inc → Aggregate Resource Crushing, LLC → Plant #2**

- 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

- **controller_controls_mine:** Sandra  Jeremiah  et al → Plant #2; 1991-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BJ Equipment Company, LLC → Plant #2; 2010-08-30 to 2011-05-02; source msha-controller-operator-history
- **controller_controls_operator:** Sandra  Jeremiah  et al → BJ Equipment Company, LLC; 2010-08-30 to 2011-05-02; source msha-controller-operator-history
- **controller_controls_operator:** Kris  Jeremiah  et al → BJ Equipment Company, LLC; 2010-08-30 to 2011-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Aggregate Resource Industries Inc → Plant #2; 2011-04-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Aggregate Resource Crushing, LLC → Plant #2; 2011-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aggregate Resource Industries Inc → Aggregate Resource Crushing, LLC; 2011-05-03 to current/open; source msha-controller-operator-history