# Relationship history for MSHA mine 0203064

Current hierarchy: **Jim  Fletcher → Charter Materials LLC → Charter Materials Plant 300**

- 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

- **controller_controls_mine:** Jim  Fletcher → Charter Materials Plant 300; 2004-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Charter Materials LLC → Charter Materials Plant 300; 2004-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Fletcher → Charter Materials LLC; 2004-09-23 to current/open; source msha-controller-operator-history