# Relationship history for MSHA mine 4104705

Current hierarchy: **Randy  Hood → E  E Hood & Sons Inc → Davenport Pit**

- 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:** Randy  Hood → Davenport Pit; 1992-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E  E Hood & Sons Inc → Davenport Pit; 2008-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Hood → E  E Hood & Sons Inc; 2008-01-14 to current/open; source msha-controller-operator-history