# Relationship history for MSHA mine 3607535

Current hierarchy: **Anil  Bhadsavle → Penn Mag, Inc. → PENN MAG INC. PLANT #2**

- 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:** J E C Industries Inc → PENN MAG INC. PLANT #2; 1984-02-01 to 1987-03-16; source msha-controller-operator-history
- **controller_controls_mine:** John E  Claar → PENN MAG INC. PLANT #2; 1984-02-01 to 1987-03-16; source msha-controller-operator-history
- **controller_controls_operator:** John E  Claar → J E C Industries Inc; 1984-02-01 to 1987-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Anil  Bhadsavle → PENN MAG INC. PLANT #2; 1985-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Penn Mag, Inc. → PENN MAG INC. PLANT #2; 1987-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anil  Bhadsavle → Penn Mag, Inc.; 1987-03-17 to current/open; source msha-controller-operator-history