# Relationship history for MSHA mine 4406107

Current hierarchy: **Jordan Dave → Raven Red Ash Coal Corp → No 3**

- 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:** Jordan Dave → No 3; 1980-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nelson Kermit → No 3; 1984-02-16 to 1985-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Ivory Coal Company → No 3; 1984-06-01 to 1984-08-12; source msha-controller-operator-history
- **controller_controls_mine:** Coleman Ken & Ralph Monk → No 3; 1984-06-01 to 1984-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Ken & Ralph Monk → Ivory Coal Company; 1984-06-01 to 1984-08-12; source msha-controller-operator-history
- **operator_operates_mine:** Nelson Mining Inc → No 3; 1984-08-13 to 1985-04-24; source msha-controller-operator-history
- **controller_controls_operator:** Nelson Kermit → Nelson Mining Inc; 1984-08-13 to 1985-04-24; source msha-controller-operator-history
- **operator_operates_mine:** Raven Red Ash Coal Corp → No 3; 1985-04-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jordan Dave → Raven Red Ash Coal Corp; 1985-04-25 to current/open; source msha-controller-operator-history