# Relationship history for MSHA mine 4104739

Current hierarchy: **Jose Jesus Espinoza → Espinoza Stone Inc. → Lampasas Quarry**

- 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:** Jose Jesus Espinoza → Lampasas Quarry; 1997-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Capitol Stone Inc. → Lampasas Quarry; 2008-06-13 to 2009-08-10; source msha-controller-operator-history
- **controller_controls_mine:** Claudette  Espinoza et al → Lampasas Quarry; 2008-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Claudette  Espinoza et al → Capitol Stone Inc.; 2008-06-13 to 2009-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Margarito  Espinoza et al → Capitol Stone Inc.; 2008-06-13 to 2009-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Espinoza Stone Inc. → Lampasas Quarry; 2009-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose Jesus Espinoza → Espinoza Stone Inc.; 2009-08-11 to current/open; source msha-controller-operator-history