# Relationship history for MSHA mine 2602761

Current hierarchy: **Howard M  Smith; Brian C  McCosker → Action Enterprises Nevada, LLC. → Cloverdale Mine**

- 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:** Action Enterprises Nevada, LLC. → Cloverdale Mine; 2014-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Howard M  Smith et al → Cloverdale Mine; 2014-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Howard M  Smith et al → Action Enterprises Nevada, LLC.; 2014-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian C  McCosker et al → Action Enterprises Nevada, LLC.; 2014-05-08 to current/open; source msha-controller-operator-history
