# Relationship history for MSHA mine 4105305

Current hierarchy: **Patrick  McConnell → TEXAS FRAC, LLC → WI TEXAS FRAC LLC, dba TEXAS FRAC, LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** TEXAS FRAC, LLC → WI TEXAS FRAC LLC, dba TEXAS FRAC, LLC; 2017-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  McConnell → WI TEXAS FRAC LLC, dba TEXAS FRAC, LLC; 2017-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  McConnell → TEXAS FRAC, LLC; 2017-11-20 to current/open; source msha-controller-operator-history