# Relationship history for MSHA mine 2902474

Current hierarchy: **Josh Z Ashley; Tim L Ashley → Crushin It, LLC → BRP Processing Plant**

- 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:** David  Griego et al → BRP Processing Plant; 2016-10-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Broken Rock Products, LLC. → BRP Processing Plant; 2017-09-28 to 2019-05-14; source msha-controller-operator-history
- **controller_controls_operator:** David  Griego et al → Broken Rock Products, LLC.; 2017-09-28 to 2019-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Antonio  Griego et al → Broken Rock Products, LLC.; 2017-09-28 to 2019-05-14; source msha-controller-operator-history
- **operator_operates_mine:** AG Sand and Gravel LLC → BRP Processing Plant; 2019-05-15 to 2022-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Josh  Ashley et al → BRP Processing Plant; 2019-05-15 to 2020-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Josh  Ashley et al → AG Sand and Gravel LLC; 2019-05-15 to 2020-08-31; source msha-controller-operator-history
- **controller_controls_operator:** David  Griego et al → AG Sand and Gravel LLC; 2019-05-15 to 2020-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Josh Zane  Ashley → BRP Processing Plant; 2020-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josh Zane  Ashley → AG Sand and Gravel LLC; 2020-09-01 to 2022-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Crushin It, LLC → BRP Processing Plant; 2022-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Josh Z Ashley et al → BRP Processing Plant; 2022-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josh Z Ashley et al → Crushin It, LLC; 2022-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim L Ashley et al → Crushin It, LLC; 2022-06-15 to current/open; source msha-controller-operator-history