# Relationship history for MSHA mine 0302021

Current hierarchy: **Jimmie M  Johnson → Choctaw Natural Stone Products, LLC → Clarksville #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

- **operator_operates_mine:** Choctaw Natural Stone Products, LLC → Clarksville #1; 2011-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmie M  Johnson → Clarksville #1; 2011-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmie M  Johnson → Choctaw Natural Stone Products, LLC; 2011-10-27 to current/open; source msha-controller-operator-history