# Relationship history for MSHA mine 3602011

Current hierarchy: **Michael  Scott → Stoudt'S Ferry Preparation Company Inc → Stoudts Ferry Preparation Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Stoudt'S Ferry Preparation Company Inc → Stoudts Ferry Preparation Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Allan  Yudacufski Et Al → Stoudts Ferry Preparation Plant; 1950-01-01 to 2021-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Allan  Yudacufski Et Al → Stoudt'S Ferry Preparation Company Inc; 1950-01-01 to 2021-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Steven D  Cotler Et Al → Stoudt'S Ferry Preparation Company Inc; 1950-01-01 to 2021-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Scott → Stoudts Ferry Preparation Plant; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Scott → Stoudt'S Ferry Preparation Company Inc; 2021-04-01 to current/open; source msha-controller-operator-history