# Relationship history for MSHA mine 2003264

Current hierarchy: **Moore Michael → M-66 Auto, Inc. → Viper 120**

- 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:** M-66 Auto, Inc. → Viper 120; 2002-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Moore Michael → Viper 120; 2002-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moore Michael → M-66 Auto, Inc.; 2002-11-13 to current/open; source msha-controller-operator-history