# Relationship history for MSHA mine 4503409

Current hierarchy: **Paul  Taylor → Red-E Topsoil → RED-E TOPSOIL**

- 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:** Red-E Topsoil → RED-E TOPSOIL; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Taylor → RED-E TOPSOIL; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Taylor → Red-E Topsoil; 1999-09-01 to current/open; source msha-controller-operator-history