# Relationship history for MSHA mine 1202513

Current hierarchy: **Blake G Carter → Carter Materials LLC → Carter north**

- 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

- **operator_operates_mine:** Carter Materials LLC → Carter north; 2023-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Blake G Carter → Carter north; 2023-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blake G Carter → Carter Materials LLC; 2023-02-13 to current/open; source msha-controller-operator-history