# Relationship history for MSHA mine 4703506

Current hierarchy: **Jerome James Jadin → J. Jadin, Inc. → Simplicity Screener/Greystone Classifier**

- 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:** James J  Jadin → Simplicity Screener/Greystone Classifier; 2005-10-18 to 2023-08-28; source msha-controller-operator-history
- **operator_operates_mine:** J Jadin Inc → Simplicity Screener/Greystone Classifier; 2007-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James J  Jadin → J Jadin Inc; 2007-06-06 to 2023-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Jerome James Jadin → Simplicity Screener/Greystone Classifier; 2023-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerome James Jadin → J Jadin Inc; 2023-08-29 to current/open; source msha-controller-operator-history