# Relationship history for MSHA mine 2103529

Current hierarchy: **Jack D  Marquart → Lakes Paving Inc → Red Screen**

- 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:** Jack D  Marquart → Red Screen; 2005-10-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lakes Paving Inc → Red Screen; 2006-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack D  Marquart → Lakes Paving Inc; 2006-05-01 to current/open; source msha-controller-operator-history