# Relationship history for MSHA mine 1601584

Current hierarchy: **Jamey  Norsworthy; Renee  Norsworthy → J.M. Norsworthy L.L.C. → Dudley Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** J.M. Norsworthy L.L.C. → Dudley Pit; 2019-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Renee  Norsworthy et al → Dudley Pit; 2019-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Renee  Norsworthy et al → J.M. Norsworthy L.L.C.; 2019-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jamey  Norsworthy et al → J.M. Norsworthy L.L.C.; 2019-03-30 to current/open; source msha-controller-operator-history