# Relationship history for MSHA mine 4703200

Current hierarchy: **Thomas F  Belisle → All Excavating LLC → All Excavating LLC**

- 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:** Belisle Excavating Inc → All Excavating LLC; 1999-05-01 to 2017-06-06; source msha-controller-operator-history
- **controller_controls_mine:** Thomas F  Belisle → All Excavating LLC; 1999-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas F  Belisle → Belisle Excavating Inc; 1999-05-01 to 2017-06-06; source msha-controller-operator-history
- **operator_operates_mine:** All Excavating LLC → All Excavating LLC; 2017-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas F  Belisle → All Excavating LLC; 2017-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas F  Belisle → All Excavating LLC; 2017-06-07 to current/open; source msha-controller-operator-history
