# Relationship history for MSHA mine 1002155

Current hierarchy: **Daniel R  Yanke; Christopher  Clark → Greyhound Mine & Milling, Inc. → Golden Eagle**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Greyhound Mine & Milling, Inc. → Golden Eagle; 2008-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel R  Yanke et al → Golden Eagle; 2008-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R  Yanke et al → Greyhound Mine & Milling, Inc.; 2008-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Clark et al → Greyhound Mine & Milling, Inc.; 2008-04-29 to current/open; source msha-controller-operator-history
