# Relationship history for MSHA mine 2902547

Current hierarchy: **Anthony  Villegas → Coyote Gravel Products Inc. → Wright 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:** Anthony  Villegas → Wright Pit; 1994-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coyote Gravel Products Inc. → Wright Pit; 2023-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Villegas → Coyote Gravel Products Inc.; 2023-06-05 to current/open; source msha-controller-operator-history