# Relationship history for MSHA mine 3402014

Current hierarchy: **Justin L  Brown → B & C Stone → Lequire #1**

- 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:** Justin L  Brown → Lequire #1; 2006-01-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & C Stone → Lequire #1; 2006-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin L  Brown → B & C Stone; 2006-06-22 to current/open; source msha-controller-operator-history