# Relationship history for MSHA mine 4407342

Current hierarchy: **Matt  Crowder → Crowder & White Contracting, LLC → Crowder & White Pit**

- 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:** Crowder & White Contracting, LLC → Crowder & White Pit; 2015-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matt  Crowder → Crowder & White Pit; 2015-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Crowder → Crowder & White Contracting, LLC; 2015-03-19 to current/open; source msha-controller-operator-history