# Relationship history for MSHA mine 3102343

Current hierarchy: **Marcus R  Phillips; Andrew S  Phillips → Mid-East Materials, LLC → Buckleberry Mine**

- 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:** Mid-East Materials, LLC → Buckleberry Mine; 2021-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Andrew S  Phillips et al → Buckleberry Mine; 2021-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Andrew S  Phillips et al → Mid-East Materials, LLC; 2021-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marcus R  Phillips et al → Mid-East Materials, LLC; 2021-05-04 to current/open; source msha-controller-operator-history