# Relationship history for MSHA mine 4406590

Current hierarchy: **Metinvest B V → Banner Company → Coon Branch**

- 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:** Kenneth L  Stacy → Coon Branch; 1989-01-01 to 2006-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Coon Branch Coal Company → Coon Branch; 1990-06-01 to 2001-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Porter Richard → Coon Branch; 1990-06-01 to 2001-01-24; source msha-controller-operator-history
- **controller_controls_operator:** Porter Richard → Coon Branch Coal Company; 1990-06-01 to 2001-01-24; source msha-controller-operator-history
- **operator_operates_mine:** Banner Company → Coon Branch; 2001-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Stacy → Banner Company; 2001-01-25 to 2006-01-02; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Coon Branch; 2006-01-03 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Banner Company; 2006-01-03 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Coon Branch; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Banner Company; 2009-04-30 to current/open; source msha-controller-operator-history