# Relationship history for MSHA mine 4300583

Current hierarchy: **Christopher  Reed → Chris Reed's Const. → Reed Const.**

- 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:** Chris Reed's Const. → Reed Const.; 2002-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Reed → Reed Const.; 2002-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Reed → Chris Reed's Const.; 2002-09-17 to current/open; source msha-controller-operator-history