# Relationship history for MSHA mine 4605809

Current hierarchy: **Metinvest B V → Carter Roag Coal Company → Mine No 5**

- 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:** Marquard & Bahls Ag → Mine No 5; 1975-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carter-Roag Coal Company → Mine No 5; 1978-06-01 to 1982-03-07; source msha-controller-operator-history
- **controller_controls_operator:** Marquard & Bahls Ag → Carter-Roag Coal Company; 1978-06-01 to 1982-03-07; source msha-controller-operator-history
- **controller_controls_mine:** Chw Industries Inc → Mine No 5; 1981-08-03 to 1988-02-22; source msha-controller-operator-history
- **operator_operates_mine:** C R Howard Inc → Mine No 5; 1982-03-08 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Chw Industries Inc → C R Howard Inc; 1982-03-08 to 1983-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Carter-Roag Coal Company → Mine No 5; 1983-07-13 to 2004-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Marquard & Bahls Ag → Carter-Roag Coal Company; 1983-07-13 to 2004-10-21; source msha-controller-operator-history
- **operator_operates_mine:** Carter Roag Coal Company → Mine No 5; 2004-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Mine No 5; 2004-10-22 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Carter Roag Coal Company; 2004-10-22 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Mine No 5; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Carter Roag Coal Company; 2009-04-30 to current/open; source msha-controller-operator-history