# Relationship history for MSHA mine 4104697

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

- 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:** Cindy A  Miller et al → 412 WHITE ROCK; 2005-12-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & R Sand & Gravel → 412 WHITE ROCK; 2007-11-15 to 2014-05-28; source msha-controller-operator-history
- **controller_controls_mine:** Boots  Avent → 412 WHITE ROCK; 2007-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Boots  Avent → B & R Sand & Gravel; 2007-11-15 to 2014-05-28; source msha-controller-operator-history
- **operator_operates_mine:** W & C Land and Cattle, Ltd → 412 WHITE ROCK; 2014-05-29 to 2016-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Cindy A  Miller et al → W & C Land and Cattle, Ltd; 2014-05-29 to 2016-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Wesley J  Miller et al → W & C Land and Cattle, Ltd; 2014-05-29 to 2016-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Brett  Duke → 412 WHITE ROCK; 2016-05-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wolf Creek Minerals LLC → 412 WHITE ROCK; 2016-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brett  Duke → Wolf Creek Minerals LLC; 2016-08-02 to current/open; source msha-controller-operator-history
