# Relationship history for MSHA mine 3610396

Current hierarchy: **Scott  Parson → Scotts Hauling and Excavating → Terex 883**

- 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:** Scott  Parson → Terex 883; 2022-03-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Scotts Hauling and Excavating → Terex 883; 2022-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Parson → Scotts Hauling and Excavating; 2022-05-13 to current/open; source msha-controller-operator-history