# Relationship history for MSHA mine 3606590

Current hierarchy: **Pagnotti Enterprises Inc → Jeddo-Highland Coal Company → Huber Bank**

- 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:** Pagnotti Enterprises Inc → Huber Bank; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Corgan William H → Huber Bank; 1970-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jeddo-Highland Coal Company → Huber Bank; 1978-01-01 to 1985-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Pagnotti Enterprises Inc → Jeddo-Highland Coal Company; 1978-01-01 to 1985-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Northeast Energy Company → Huber Bank; 1985-10-01 to 1991-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Corgan William H → Northeast Energy Company; 1985-10-01 to 1991-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Jeddo-Highland Coal Company → Huber Bank; 1991-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pagnotti Enterprises Inc → Jeddo-Highland Coal Company; 1991-04-02 to current/open; source msha-controller-operator-history
