# Relationship history for MSHA mine 4405443

Current hierarchy: **Metinvest B V → The Banner Company → Upper Banner Brink**

- 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:** Bandy Don → Upper Banner Brink; 1979-04-01 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Thomas Curtis → Upper Banner Brink; 1979-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laramie Corp → Upper Banner Brink; 1980-06-01 to 1980-12-09; source msha-controller-operator-history
- **controller_controls_mine:** Hawkins Don E Et Al → Upper Banner Brink; 1980-06-01 to 1980-12-09; source msha-controller-operator-history
- **controller_controls_operator:** Hawkins Don E Et Al → Laramie Corp; 1980-06-01 to 1980-12-09; source msha-controller-operator-history
- **operator_operates_mine:** Laramie Corp → Upper Banner Brink; 1980-12-10 to 1983-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Bandy Don → Laramie Corp; 1980-12-10 to 1983-09-11; source msha-controller-operator-history
- **operator_operates_mine:** Blue Eagle Coal Company Inc → Upper Banner Brink; 1983-09-12 to 2011-08-17; source msha-controller-operator-history
- **controller_controls_operator:** Thomas Curtis → Blue Eagle Coal Company Inc; 1983-09-12 to 2011-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Stacy → Upper Banner Brink; 1989-01-01 to 2006-01-02; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Upper Banner Brink; 2006-01-03 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Upper Banner Brink; 2009-04-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** The Banner Company → Upper Banner Brink; 2011-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → The Banner Company; 2011-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → The Banner Company; 2011-08-18 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Stacy → The Banner Company; 2011-08-18 to 2006-01-02; source msha-controller-operator-history