# Relationship history for MSHA mine 4703740

Current hierarchy: **Clearlake Capital Partners; Charles  Young → CRS Proppants LLC → Dovre Wet Processing Site #2**

- 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:** CRS Proppants → Dovre Wet Processing Site #2; 2012-04-25 to 2014-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Materials Inc → Dovre Wet Processing Site #2; 2014-10-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Great Northern Sand, LLC → Dovre Wet Processing Site #2; 2015-06-16 to 2020-11-02; source msha-controller-operator-history
- **controller_controls_operator:** CRS Proppants → Great Northern Sand, LLC; 2015-06-16 to 2014-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Materials Inc → Great Northern Sand, LLC; 2015-06-16 to 2020-11-02; source msha-controller-operator-history
- **operator_operates_mine:** CRS Proppants LLC → Dovre Wet Processing Site #2; 2020-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clearlake Capital Partners et al → Dovre Wet Processing Site #2; 2020-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clearlake Capital Partners et al → CRS Proppants LLC; 2020-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Young et al → CRS Proppants LLC; 2020-11-03 to current/open; source msha-controller-operator-history