# Relationship history for MSHA mine 3003564

Current hierarchy: **Burton Scott Clark → CLARK COMPANIES → COMMANDER 510 SERIAL #5703403**

- 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:** Burton Scott Clark → COMMANDER 510 SERIAL #5703403; 1980-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clark Companies → COMMANDER 510 SERIAL #5703403; 2006-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Burton Scott Clark → Clark Companies; 2006-10-10 to current/open; source msha-controller-operator-history