# Relationship history for MSHA mine 4405450

Current hierarchy: **Jordan Dave → Raven Red Ash Coal Corp → No 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

- **controller_controls_mine:** Justus Timothy Et Al → No 1; 1975-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dyna Carb Coal Company Inc → No 1; 1980-06-01 to 1980-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Justus Timothy Et Al → Dyna Carb Coal Company Inc; 1980-06-01 to 1980-06-25; source msha-controller-operator-history
- **operator_operates_mine:** Raven Red Ash Coal Corp → No 1; 1980-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jordan Dave → No 1; 1980-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jordan Dave → Raven Red Ash Coal Corp; 1980-09-26 to current/open; source msha-controller-operator-history