# Relationship history for MSHA mine 4105410

Current hierarchy: **Shawn  Poynor; Clay  Butler; Casey  Poynor → BP Surface Solutions, LLC → Lippmann 4244I**

- 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:** Clay  Butler et al → Lippmann 4244I; 2016-06-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BP Surface Solutions, LLC → Lippmann 4244I; 2019-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clay  Butler et al → BP Surface Solutions, LLC; 2019-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Casey  Poynor et al → BP Surface Solutions, LLC; 2019-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawn  Poynor et al → BP Surface Solutions, LLC; 2019-01-21 to current/open; source msha-controller-operator-history
