# Relationship history for MSHA mine 1511447

Current hierarchy: **Damron William E → Cargo Mining Company Inc → No 5 Mine**

- 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:** Damron William E → No 5 Mine; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cargo Mining Company → No 5 Mine; 1978-07-01 to 1978-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Turner Fran E Et Al → No 5 Mine; 1978-07-01 to 1978-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Turner Fran E Et Al → Cargo Mining Company; 1978-07-01 to 1978-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Cargo Mining Company Inc → No 5 Mine; 1978-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Damron William E → Cargo Mining Company Inc; 1978-10-02 to current/open; source msha-controller-operator-history