# Relationship history for MSHA mine 3000807

Current hierarchy: **Theodore  Zoli → Torrington Industries Inc → Watertown 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

- **controller_controls_mine:** Theodore  Zoli → Watertown Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A Marzano Inc → Watertown Pit; 1950-01-01 to 1985-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Marzano Vincent J → Watertown Pit; 1950-01-01 to 1985-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Marzano Vincent J → A Marzano Inc; 1950-01-01 to 1985-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Torrington Industries Inc → Watertown Pit; 1985-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Zoli → Torrington Industries Inc; 1985-04-01 to current/open; source msha-controller-operator-history