# Relationship history for MSHA mine 4801291

Current hierarchy: **Allan  Reed → Allan K Reed → Reed #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:** Allan K Reed → Reed #1; 1979-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Allan  Reed → Reed #1; 1979-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allan  Reed → Allan K Reed; 1979-07-01 to current/open; source msha-controller-operator-history
