# Relationship history for MSHA mine 4202762

Current hierarchy: **Lisa Fon Fowers; Michael Lynn Fowers → Fowers Trucking LLC → FOWERS PORTABLE**

- 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:** Fowers Trucking LLC → FOWERS PORTABLE; 2024-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael Lynn Fowers et al → FOWERS PORTABLE; 2024-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael Lynn Fowers et al → Fowers Trucking LLC; 2024-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lisa Fon Fowers et al → Fowers Trucking LLC; 2024-07-09 to current/open; source msha-controller-operator-history