# Relationship history for MSHA mine 1519746

Current hierarchy: **Phillip  Haan → MXP Services LLC → MXP #1**

- 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:** MXP Services LLC → MXP #1; 2014-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Phillip  Haan → MXP #1; 2014-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip  Haan → MXP Services LLC; 2014-05-23 to current/open; source msha-controller-operator-history