# Relationship history for MSHA mine 1701045

Current hierarchy: **Brad  Stout; Dylan  Coutts; Scott  Coutts → Quirion Inc → Astec Cone Plant**

- 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:** Brad  Stout et al → Astec Cone Plant; 2021-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Quirion Inc → Astec Cone Plant; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Stout et al → Quirion Inc; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Coutts et al → Quirion Inc; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dylan  Coutts et al → Quirion Inc; 2021-04-01 to current/open; source msha-controller-operator-history