# Relationship history for MSHA mine 4105523

Current hierarchy: **Atlas Energy Solutions Inc → OnCore Processing LLC (Atlas Energy Solutions) → OnCore 1**

- 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:** OnCore Processing LLC → OnCore 1; 2020-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hi-Crush Inc → OnCore 1; 2020-09-17 to 2024-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Hi-Crush Inc → OnCore Processing LLC; 2020-09-17 to 2024-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Atlas Energy Solutions Inc → OnCore 1; 2024-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Atlas Energy Solutions Inc → OnCore Processing LLC; 2024-03-05 to current/open; source msha-controller-operator-history