# Relationship history for MSHA mine 4003614

Current hierarchy: **Delvenua Marie Vences → G&V Natural Stone → G&V Natural Stone #1**

- 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:** G&G Natural Stone → G&V Natural Stone #1; 2024-09-30 to 2025-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Tanya  Garcia → G&V Natural Stone #1; 2024-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tanya  Garcia → G&G Natural Stone; 2024-09-30 to 2025-03-31; source msha-controller-operator-history
- **operator_operates_mine:** G&V Natural Stone → G&V Natural Stone #1; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Delvenua Marie Vences → G&V Natural Stone #1; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Delvenua Marie Vences → G&V Natural Stone; 2025-04-01 to current/open; source msha-controller-operator-history