# Relationship history for MSHA mine 4105197

Current hierarchy: **Brett  Duke → Wolf Creek Minerals LLC → 412WhiteRock**

- 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

- **operator_operates_mine:** Wolf Creek Minerals LLC → 412WhiteRock; 2016-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brett  Duke → 412WhiteRock; 2016-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brett  Duke → Wolf Creek Minerals LLC; 2016-05-23 to current/open; source msha-controller-operator-history