# Relationship history for MSHA mine 3609195

Current hierarchy: **Dianne M  Brocious → Brocious Coal Augering LLC → Auger I**

- 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:** Harold Brocious Coal Augering → Auger I; 2004-01-22 to 2006-01-03; source msha-controller-operator-history
- **controller_controls_mine:** Harold R  Brocious → Auger I; 2004-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold R  Brocious → Harold Brocious Coal Augering; 2004-01-22 to 2006-01-03; source msha-controller-operator-history
- **operator_operates_mine:** Brocious Coal Augering LLC → Auger I; 2006-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dianne M  Brocious → Auger I; 2006-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dianne M  Brocious → Brocious Coal Augering LLC; 2006-01-04 to current/open; source msha-controller-operator-history