# Relationship history for MSHA mine 3402075

Current hierarchy: **GTO Ready Mix; Juan  Yanez → RBQ, L.P. → RBQ Sand and Gravel**

- 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

- **operator_operates_mine:** ADM Materials LLC → RBQ Sand and Gravel; 2008-10-06 to 2017-01-23; source msha-controller-operator-history
- **controller_controls_mine:** Dwight  Evans  et al → RBQ Sand and Gravel; 2008-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dwight  Evans  et al → ADM Materials LLC; 2008-10-06 to 2017-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Hardage  et al → ADM Materials LLC; 2008-10-06 to 2017-01-23; source msha-controller-operator-history
- **operator_operates_mine:** RBQ, L.P. → RBQ Sand and Gravel; 2017-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** JAQ LLC et al → RBQ Sand and Gravel; 2017-01-24 to 2023-12-06; source msha-controller-operator-history
- **controller_controls_operator:** JAQ LLC et al → RBQ, L.P.; 2017-01-24 to 2023-12-06; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Alexander et al → RBQ, L.P.; 2017-01-24 to 2023-12-06; source msha-controller-operator-history
- **controller_controls_mine:** GTO Ready Mix et al → RBQ Sand and Gravel; 2023-12-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** GTO Ready Mix et al → RBQ, L.P.; 2023-12-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Juan  Yanez et al → RBQ, L.P.; 2023-12-07 to current/open; source msha-controller-operator-history