# Relationship history for MSHA mine 2402530

Current hierarchy: **Morris T  Jessop → J5 Construction → CR 1**

- 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:** Morris T  Jessop → CR 1; 2005-06-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J5 Construction → CR 1; 2008-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morris T  Jessop → J5 Construction; 2008-09-02 to current/open; source msha-controller-operator-history