# Relationship history for MSHA mine 2902413

Current hierarchy: **Jesus Jose Gutierrez → JMC & Sons Sand & Gravel → Vado 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** JMC Sand & Gravel Inc. → Vado Pit; 2011-08-17 to 2019-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Maira F  Gutierrez et al → Vado Pit; 2011-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maira F  Gutierrez et al → JMC Sand & Gravel Inc.; 2011-08-17 to 2019-01-22; source msha-controller-operator-history
- **operator_operates_mine:** JMC & Sons Sand & Gravel → Vado Pit; 2019-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jesus Jose Gutierrez → Vado Pit; 2019-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesus Jose Gutierrez → JMC & Sons Sand & Gravel; 2019-01-23 to current/open; source msha-controller-operator-history