# Relationship history for MSHA mine 3503542

Current hierarchy: **Scott  A  Moore → S A Moore LLC → S A Moore LLC 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

- **controller_controls_mine:** E A  Moore → S A Moore LLC Portable; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E. A. Moore → S A Moore LLC Portable; 2001-10-15 to 2003-06-18; source msha-controller-operator-history
- **controller_controls_operator:** E A  Moore → E. A. Moore; 2001-10-15 to 2003-06-18; source msha-controller-operator-history
- **operator_operates_mine:** S A Moore LLC → S A Moore LLC Portable; 2003-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott  A  Moore → S A Moore LLC Portable; 2003-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  A  Moore → S A Moore LLC; 2003-06-19 to current/open; source msha-controller-operator-history