# Relationship history for MSHA mine 0405365

Current hierarchy: **Eric  Werner; Pat  Broyles → Coachella Valley Aggregates Inc → COACHELLA VALLEY AGGREGATE**

- 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:** Coachella Valley Aggregates Inc → COACHELLA VALLEY AGGREGATE; 1999-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Broyles et al → COACHELLA VALLEY AGGREGATE; 1999-05-01 to 2017-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Broyles et al → Coachella Valley Aggregates Inc; 1999-05-01 to 2017-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Eric  Werner et al → COACHELLA VALLEY AGGREGATE; 2017-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric  Werner et al → Coachella Valley Aggregates Inc; 2017-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pat  Broyles et al → Coachella Valley Aggregates Inc; 2017-03-22 to current/open; source msha-controller-operator-history