# Relationship history for MSHA mine 4202649

Current hierarchy: **DB RC Investments II LLC → BRC Wellington, LLC → BRC Deer Creek**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** DB RC Investments II LLC → BRC Deer Creek; 2013-01-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BRC Wellington,LLC → BRC Deer Creek; 2015-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DB RC Investments II LLC → BRC Wellington,LLC; 2015-08-12 to current/open; source msha-controller-operator-history