# Relationship history for MSHA mine 4703848

Current hierarchy: **Frank M  Frattalone → Fra-Dor, Inc. → Jaw Crusher #960134**

- 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:** Frank M  Frattalone → Jaw Crusher #960134; 2004-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fra-Dor, Inc. → Jaw Crusher #960134; 2019-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank M  Frattalone → Fra-Dor, Inc.; 2019-05-01 to current/open; source msha-controller-operator-history