# Relationship history for MSHA mine 4104733

Current hierarchy: **Darrell E  Shortes Jr → Raydon Inc. → Shortes Crushing**

- 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:** Raydon Inc. → Shortes Crushing; 2008-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Darrell E  Shortes Jr  et al → Shortes Crushing; 2008-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darrell E  Shortes Jr  et al → Raydon Inc.; 2008-05-29 to current/open; source msha-controller-operator-history
