# Relationship history for MSHA mine 3000974

Current hierarchy: **Heidelberg Materials AG → Heidelberg Materials Northeast-NY LLC → Bath**

- 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

- **controller_controls_mine:** Gene Dewitt Corporation → Bath; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D & T Franzese Brothers Inc → Bath; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Franzese D & T Brothers Inc → Bath; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Franzese D & T Brothers Inc → D & T Franzese Brothers Inc; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **operator_operates_mine:** B R Dewitt Inc → Bath; 1978-05-01 to 1999-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Gene Dewitt Corporation → B R Dewitt Inc; 1978-05-01 to 1999-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Bath; 1988-11-14 to 2007-08-22; source msha-controller-operator-history
- **operator_operates_mine:** Hanson Aggregates Brd Inc → Bath; 1999-11-15 to 2003-02-04; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Bath; 1999-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Hanson Aggregates Brd Inc; 1999-11-15 to 2003-02-04; source msha-controller-operator-history
- **operator_operates_mine:** Heidelberg Materials Northeast-NY LLC → Bath; 2003-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Heidelberg Materials Northeast-NY LLC; 2003-02-05 to 2007-08-22; source msha-controller-operator-history
- **controller_controls_mine:** Heidelberg Materials AG → Bath; 2007-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heidelberg Materials AG → Heidelberg Materials Northeast-NY LLC; 2007-08-23 to current/open; source msha-controller-operator-history