# Relationship history for MSHA mine 3607083

Current hierarchy: **Northbrook Metals Inc → Right Of Way Paving Company Inc → Fallowfield Strip**

- 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:** Right Of Way Paving Company Inc → Fallowfield Strip; 1981-01-01 to 1981-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Francia Vincent → Fallowfield Strip; 1981-01-01 to 1981-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Francia Vincent → Right Of Way Paving Company Inc; 1981-01-01 to 1981-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Right Of Way Paving Company Inc → Fallowfield Strip; 1981-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Northbrook Metals Inc → Fallowfield Strip; 1981-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Northbrook Metals Inc → Right Of Way Paving Company Inc; 1981-10-25 to current/open; source msha-controller-operator-history