# Relationship history for MSHA mine 1518877

Current hierarchy: **James  Cox → Goodin Creek Mining Company, Inc. → Mine #4**

- 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:** Timothy L  Webb → Mine #4; 2004-03-05 to 2006-01-25; source msha-controller-operator-history
- **operator_operates_mine:** Goodin Creek Mining Company, Inc. → Mine #4; 2005-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  Webb → Goodin Creek Mining Company, Inc.; 2005-05-24 to 2006-01-25; source msha-controller-operator-history
- **controller_controls_mine:** James  Cox et al → Mine #4; 2006-01-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Cox et al → Goodin Creek Mining Company, Inc.; 2006-01-26 to current/open; source msha-controller-operator-history
