# Relationship history for MSHA mine 3607364

Current hierarchy: **Cravener L Earl & Tim L Mills → C & M Contracting Company → Himes-Millen**

- 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:** C & M Contracting Company → Himes-Millen; 1982-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cravener L Earl & Tim L Mills → Himes-Millen; 1982-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cravener L Earl & Tim L Mills → C & M Contracting Company; 1982-09-01 to current/open; source msha-controller-operator-history
