# Relationship history for MSHA mine 1002348

Current hierarchy: **Cody G Miller; Levi G Miller → M&M Enterprises LLC → M&M Rock**

- 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:** M&M Enterprises LLC → M&M Rock; 2023-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cody G Miller et al → M&M Rock; 2023-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cody G Miller et al → M&M Enterprises LLC; 2023-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Levi G Miller et al → M&M Enterprises LLC; 2023-10-25 to current/open; source msha-controller-operator-history
