# Relationship history for MSHA mine 2902566

Current hierarchy: **Angie  Vasquez → Rio Pecos Material, LLC → Whiskey 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

- **controller_controls_mine:** Angie  Vasquez et al → Whiskey Pit; 2021-10-25 to 2025-09-22; source msha-controller-operator-history
- **operator_operates_mine:** Rio Pecos Material, LLC → Whiskey Pit; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angie  Vasquez et al → Rio Pecos Material, LLC; 2025-04-01 to 2025-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Balderrama et al → Rio Pecos Material, LLC; 2025-04-01 to 2025-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Angie  Vasquez → Whiskey Pit; 2025-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angie  Vasquez → Rio Pecos Material, LLC; 2025-09-23 to current/open; source msha-controller-operator-history