# Relationship history for MSHA mine 4105670

Current hierarchy: **Heidelberg Materials AG → Heidelberg Materials Southwest LLC → Salado Plant**

- 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:** Heidelberg Materials AG → Salado Plant; 2021-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eight Ball Dillon Holdings LLC et al → Salado Plant; 2023-02-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Victory Companies, LLC → Salado Plant; 2023-02-23 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Eight Ball Dillon Holdings LLC et al → Victory Companies, LLC; 2023-02-23 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Victory Companies Acquisition LLC et al → Victory Companies, LLC; 2023-02-23 to 2024-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Heidelberg Materials Southwest LLC → Salado Plant; 2024-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heidelberg Materials AG → Heidelberg Materials Southwest LLC; 2024-07-15 to current/open; source msha-controller-operator-history