# Relationship history for MSHA mine 2602550

Current hierarchy: **Antonio  Avila; Fidelina  Avila → Cherry Creek Stone, Inc. → Cherry Creek Stone**

- 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

- **operator_operates_mine:** Cherry Creek Stone, Inc. → Cherry Creek Stone; 2004-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Antonio  Avila  et al → Cherry Creek Stone; 2004-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Antonio  Avila  et al → Cherry Creek Stone, Inc.; 2004-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fidelina  Avila  et al → Cherry Creek Stone, Inc.; 2004-12-02 to current/open; source msha-controller-operator-history