# Relationship history for MSHA mine 0405720

Current hierarchy: **Tony  Cruse → Eagle Peak Rock & Paving, Inc. → Portable Crusher**

- 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:** Tony  Cruse et al → Portable Crusher; 1995-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Peak Rock & Paving, Inc. → Portable Crusher; 2007-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tony  Cruse et al → Eagle Peak Rock & Paving, Inc.; 2007-05-17 to current/open; source msha-controller-operator-history