# Relationship history for MSHA mine 4104867

Current hierarchy: **R360 Environmental Solutions Inc → US Liquids of Louisiana → Rincon, Texas 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

- **operator_operates_mine:** US Liquids of Louisiana → Rincon, Texas Plant; 2011-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** R360 Environmental Solutions Inc → Rincon, Texas Plant; 2011-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R360 Environmental Solutions Inc → US Liquids of Louisiana; 2011-04-06 to current/open; source msha-controller-operator-history