# Relationship history for MSHA mine 2902563

Current hierarchy: **Jesus Jose Gutierrez → Jmc and Sons Sand and Gravel inc → Radium springs pit**

- 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:** Jesus Jose Gutierrez → Radium springs pit; 2019-01-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jmc and Sons Sand and Gravel inc → Radium springs pit; 2024-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesus Jose Gutierrez → Jmc and Sons Sand and Gravel inc; 2024-10-02 to current/open; source msha-controller-operator-history