# Relationship history for MSHA mine 3004160

Current hierarchy: **Robert  Harlem; Rebecca  Lloyd → OTSEGO CUSTOM CRUSHING → MCCLOSKEY  710932**

- 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:** Otsego Custom Crushing → MCCLOSKEY  710932; 2025-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Harlem et al → MCCLOSKEY  710932; 2025-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Harlem et al → Otsego Custom Crushing; 2025-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rebecca  Lloyd et al → Otsego Custom Crushing; 2025-07-15 to current/open; source msha-controller-operator-history
