# Relationship history for MSHA mine 4200165

Current hierarchy: **Cyprus Amax Minerals Company → Castle Gate Holding Company → Castle Gate 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:** Diamanti James → Castle Gate Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carbon Fuel Company → Castle Gate Mine; 1971-01-01 to 1974-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Diamanti James → Carbon Fuel Company; 1971-01-01 to 1974-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Mc Culloch Oil Corp → Castle Gate Mine; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Braztah Corp → Castle Gate Mine; 1975-01-01 to 1979-12-19; source msha-controller-operator-history
- **controller_controls_operator:** Mc Culloch Oil Corp → Braztah Corp; 1975-01-01 to 1979-12-19; source msha-controller-operator-history
- **controller_controls_mine:** American Electric Power Company Inc → Castle Gate Mine; 1979-12-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Price River Coal Company → Castle Gate Mine; 1979-12-20 to 1986-05-29; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → Price River Coal Company; 1979-12-20 to 1986-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Castle Gate Holding Company → Castle Gate Mine; 1986-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cyprus Amax Minerals Company → Castle Gate Mine; 1986-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cyprus Amax Minerals Company → Castle Gate Holding Company; 1986-05-30 to current/open; source msha-controller-operator-history