# Relationship history for MSHA mine 4703802

Current hierarchy: **Jason P  Brauer → Brauer Construction → County P**

- 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:** Brauer Construction → County P; 2017-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jason P  Brauer → County P; 2017-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason P  Brauer → Brauer Construction; 2017-08-01 to current/open; source msha-controller-operator-history