# Relationship history for MSHA mine 4609668

Current hierarchy: **John T  Quintrell → Civil, LLC → Scarlet Refuse Recovery**

- 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:** John T  Quintrell → Scarlet Refuse Recovery; 2019-09-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Civil, LLC → Scarlet Refuse Recovery; 2024-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John T  Quintrell → Civil, LLC; 2024-07-23 to current/open; source msha-controller-operator-history