# Relationship history for MSHA mine 4105262

Current hierarchy: **Atlas Energy Solutions Inc → Atlas Energy Solutions → Atlas 874/115 Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Hi-Crush Proppants LLC → Atlas 874/115 Mine; 2011-06-18 to 2012-08-22; source msha-controller-operator-history
- **controller_controls_mine:** Hi-Crush Inc → Atlas 874/115 Mine; 2012-08-23 to 2024-08-04; source msha-controller-operator-history
- **operator_operates_mine:** HI Crush Proppants LLC → Atlas 874/115 Mine; 2017-06-28 to 2018-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Hi-Crush Proppants LLC → HI Crush Proppants LLC; 2017-06-28 to 2012-08-22; source msha-controller-operator-history
- **controller_controls_operator:** Hi-Crush Inc → HI Crush Proppants LLC; 2017-06-28 to 2018-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Atlas Energy Solutions → Atlas 874/115 Mine; 2018-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hi-Crush Inc → Atlas 874/115 Mine; 2018-05-01 to 2024-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Hi-Crush Inc → Atlas Energy Solutions; 2018-05-01 to 2024-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Atlas Energy Solutions Inc → Atlas 874/115 Mine; 2024-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Atlas Energy Solutions Inc → Atlas Energy Solutions; 2024-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** HC Minerals Inc → Atlas 874/115 Mine; 2024-08-05 to 2025-08-10; source msha-controller-operator-history
- **controller_controls_operator:** HC Minerals Inc → HI Crush Proppants LLC; 2024-08-05 to 2018-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Iron Oak Energy Solutions LLC → Atlas 874/115 Mine; 2025-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Iron Oak Energy Solutions LLC → HI Crush Proppants LLC; 2025-08-11 to 2018-04-30; source msha-controller-operator-history