# Relationship history for MSHA mine 4602767

Current hierarchy: **Canistraro Frank → C F & P Coal Company Inc → No 805**

- 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

- **operator_operates_mine:** Starvaggi Industries Inc → No 805; 1950-01-01 to 1993-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Donell Donald R → No 805; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donell Donald R → Starvaggi Industries Inc; 1950-01-01 to 1993-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Canistraro Frank Et Al → No 805; 1974-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C F & P Coal Company Inc → No 805; 1993-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Canistraro Frank Et Al → C F & P Coal Company Inc; 1993-08-02 to current/open; source msha-controller-operator-history