# Relationship history for MSHA mine 1519866

Current hierarchy: **Metinvest B V → Banner Blue Coal Company → Shop Br.**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Gary A  Horn → Shop Br.; 1991-07-22 to 2005-10-19; source msha-controller-operator-history
- **controller_controls_mine:** Sam  Blankenship → Shop Br.; 2005-10-20 to 2006-01-22; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Shop Br.; 2006-01-23 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Shop Br.; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey K Justus II → Shop Br.; 2014-11-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Banner Blue Coal Company → Shop Br.; 2019-10-29 to 2024-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Banner Blue Coal Company; 2019-10-29 to 2024-04-14; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Banner Blue Coal Company; 2019-10-29 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Sam  Blankenship → Banner Blue Coal Company; 2019-10-29 to 2006-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Banner Blue Coal Company; 2019-10-29 to 2005-10-19; source msha-controller-operator-history
- **operator_operates_mine:** Knox Operating, LLC → Shop Br.; 2024-04-15 to 2026-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey K Justus II → Knox Operating, LLC; 2024-04-15 to 2026-09-29; source msha-controller-operator-history
- **operator_operates_mine:** Banner Blue Coal Company → Shop Br.; 2026-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Banner Blue Coal Company; 2026-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Banner Blue Coal Company; 2026-09-30 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Sam  Blankenship → Banner Blue Coal Company; 2026-09-30 to 2006-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Banner Blue Coal Company; 2026-09-30 to 2005-10-19; source msha-controller-operator-history