# Relationship history for MSHA mine 4609666

Current hierarchy: **Gene R Taylor → West Virginia Properties, Inc. → Sewell Mine No. 1**

- 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:** Gene R Taylor → Sewell Mine No. 1; 1992-11-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** West Virginia Properties, Inc. → Sewell Mine No. 1; 2024-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gene R Taylor → West Virginia Properties, Inc.; 2024-06-07 to current/open; source msha-controller-operator-history