# Relationship history for MSHA mine 3304658

Current hierarchy: **James L.  Meade Jr. → Meade Materials → Meade Materials**

- 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:** Meade Materials → Meade Materials; 2010-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James L.  Meade Jr. → Meade Materials; 2010-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L.  Meade Jr. → Meade Materials; 2010-10-19 to current/open; source msha-controller-operator-history