# Relationship history for MSHA mine 3102319

Current hierarchy: **Lester Ray  Phillips → Mid-East Services, Inc. → Massengill 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

- **controller_controls_mine:** Lester Ray  Phillips → Massengill Mine; 2001-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mid-East Services, Inc. → Massengill Mine; 2018-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lester Ray  Phillips → Mid-East Services, Inc.; 2018-03-01 to current/open; source msha-controller-operator-history