# Relationship history for MSHA mine 3606745

Current hierarchy: **Pagnotti Enterprises Inc → Jeddo-Highland Coal Company → Continental Stripping**

- 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 → Continental Stripping; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wright Contracting Company No 2 → Continental Stripping; 1978-10-01 to 1980-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Herman Q  Wright et al → Continental Stripping; 1978-10-01 to 1980-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Herman Q  Wright et al → Wright Contracting Company No 2; 1978-10-01 to 1980-01-17; source msha-controller-operator-history
- **operator_operates_mine:** Cracker Coal Corp → Continental Stripping; 1980-01-18 to 1984-08-23; source msha-controller-operator-history
- **controller_controls_mine:** John P  Dixon → Continental Stripping; 1980-01-18 to 1984-08-23; source msha-controller-operator-history
- **controller_controls_operator:** John P  Dixon → Cracker Coal Corp; 1980-01-18 to 1984-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Jeddo-Highland Coal Company → Continental Stripping; 1984-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pagnotti Enterprises Inc → Jeddo-Highland Coal Company; 1984-08-24 to current/open; source msha-controller-operator-history