# Relationship history for MSHA mine 4104562

Current hierarchy: **Brett  Duke → M and L Materials, LLC → Duke Quarry**

- 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:** W & C Land & Cattle, Ltd. → Duke Quarry; 2005-12-27 to 2016-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Wesley J  Miller et al → Duke Quarry; 2005-12-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wesley J  Miller et al → W & C Land & Cattle, Ltd.; 2005-12-27 to 2016-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Cindy A  Miller et al → W & C Land & Cattle, Ltd.; 2005-12-27 to 2016-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Brett  Duke → Duke Quarry; 2016-05-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** WOLFCREEK MINERALS → Duke Quarry; 2016-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brett  Duke → WOLFCREEK MINERALS; 2016-08-14 to current/open; source msha-controller-operator-history