# Relationship history for MSHA mine 3000863

Current hierarchy: **Thomas J.  Madden Jr. → T.J. Madden Construction Co., Inc. → Madden Boonville Fitch 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:** Eastern Rock Products Inc → Madden Boonville Fitch Plant; 1950-01-01 to 1988-11-13; source msha-controller-operator-history
- **controller_controls_mine:** Koppers Company Inc → Madden Boonville Fitch Plant; 1950-01-01 to 1988-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Koppers Company Inc → Eastern Rock Products Inc; 1950-01-01 to 1988-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Hanson Aggregates New York Inc. → Madden Boonville Fitch Plant; 1988-11-14 to 2006-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Madden Boonville Fitch Plant; 1988-11-14 to 2007-08-22; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Hanson Aggregates New York Inc.; 1988-11-14 to 2006-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Thomas J.  Madden Jr. → Madden Boonville Fitch Plant; 1991-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T.J. Madden Construction Co., Inc. → Madden Boonville Fitch Plant; 2006-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas J.  Madden Jr. → T.J. Madden Construction Co., Inc.; 2006-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Heidelberg Materials AG → Madden Boonville Fitch Plant; 2007-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heidelberg Materials AG → Hanson Aggregates New York Inc.; 2007-08-23 to 2006-08-02; source msha-controller-operator-history