# Relationship history for MSHA mine 4002268

Current hierarchy: **Bradley Equipment Company Inc → J & C Coal Corp → Pee Wee #1 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Pee Wee Mining Inc → Pee Wee #1 Mine; 1977-06-15 to 1980-09-29; source msha-controller-operator-history
- **controller_controls_mine:** Roger E  West → Pee Wee #1 Mine; 1977-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger E  West → Pee Wee Mining Inc; 1977-06-15 to 1980-09-29; source msha-controller-operator-history
- **operator_operates_mine:** J C Corp → Pee Wee #1 Mine; 1980-09-30 to 1985-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Bowlin Charlie Et Al → Pee Wee #1 Mine; 1980-09-30 to 1985-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Bowlin Charlie Et Al → J C Corp; 1980-09-30 to 1985-01-30; source msha-controller-operator-history
- **operator_operates_mine:** J & C Coal Corp → Pee Wee #1 Mine; 1985-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bradley Equipment Company Inc → Pee Wee #1 Mine; 1985-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → J & C Coal Corp; 1985-01-31 to current/open; source msha-controller-operator-history