# Relationship history for MSHA mine 2000785

Current hierarchy: **Fayas & Sons Inc → Miller Products & Supply → Miller'S Pit**

- 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:** Miller Products & Supply Company → Miller'S Pit; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Roy E  Miller → Miller'S Pit; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Roy E  Miller → Miller Products & Supply Company; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Miller Products & Supply → Miller'S Pit; 1983-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fayas & Sons Inc → Miller'S Pit; 1983-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fayas & Sons Inc → Miller Products & Supply; 1983-07-13 to current/open; source msha-controller-operator-history
