# Relationship history for MSHA mine 1202510

Current hierarchy: **Himes Holdings LLC → Site Works Services, LLC → SiteWorx Aggregates**

- 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:** Site Works Services, LLC → SiteWorx Aggregates; 2023-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Waste-Away Group Ltd. → SiteWorx Aggregates; 2023-06-01 to 2024-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Waste-Away Group Ltd. → Site Works Services, LLC; 2023-06-01 to 2024-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Himes Holdings LLC → SiteWorx Aggregates; 2024-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Himes Holdings LLC → Site Works Services, LLC; 2024-03-01 to current/open; source msha-controller-operator-history