# Relationship history for MSHA mine 4105641

Current hierarchy: **Rogers Group Inc → Rogers Group Inc. → Bronte Sand & Gravel**

- 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:** Rogers Group Inc → Bronte Sand & Gravel; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Casey  Poynor et al → Bronte Sand & Gravel; 2016-06-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** FSS Dorado, LLC → Bronte Sand & Gravel; 2022-09-01 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Finley Site Services et al → Bronte Sand & Gravel; 2022-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Finley Site Services et al → FSS Dorado, LLC; 2022-09-01 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Dorado Diversified et al → FSS Dorado, LLC; 2022-09-01 to 2023-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Dorado Construction → Bronte Sand & Gravel; 2023-11-20 to 2024-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Casey  Poynor et al → Dorado Construction; 2023-11-20 to 2024-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Shawn  Poynor et al → Dorado Construction; 2023-11-20 to 2024-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Clay  Butler et al → Dorado Construction; 2023-11-20 to 2024-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Texas Desert Group LLC → Bronte Sand & Gravel; 2024-09-10 to 2025-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Edward Paul  Bunker et al → Bronte Sand & Gravel; 2024-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward Paul  Bunker et al → Texas Desert Group LLC; 2024-09-10 to 2025-12-18; source msha-controller-operator-history
- **controller_controls_operator:** John Will  White et al → Texas Desert Group LLC; 2024-09-10 to 2025-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Rogers Group Inc. → Bronte Sand & Gravel; 2025-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Group Inc → Rogers Group Inc.; 2025-12-19 to current/open; source msha-controller-operator-history