# Relationship history for MSHA mine 4403330

Current hierarchy: **Deel Carmel & Odell → Deel Brothers Coal Company Inc → No 6 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

- **operator_operates_mine:** Deel Brothers Coal Company Inc → No 6 Mine; 1950-01-01 to 1974-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Deel Carmel & Odell Et Al → No 6 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deel Carmel & Odell Et Al → Deel Brothers Coal Company Inc; 1950-01-01 to 1974-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Miracle Coal Corp → No 6 Mine; 1974-10-01 to 1975-06-01; source msha-controller-operator-history
- **controller_controls_mine:** Williams Richard → No 6 Mine; 1974-10-01 to 1975-06-01; source msha-controller-operator-history
- **controller_controls_operator:** Williams Richard → Miracle Coal Corp; 1974-10-01 to 1975-06-01; source msha-controller-operator-history
- **operator_operates_mine:** Deel Brothers Coal Company Inc → No 6 Mine; 1975-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deel Carmel & Odell Et Al → Deel Brothers Coal Company Inc; 1975-06-02 to current/open; source msha-controller-operator-history