# Relationship history for MSHA mine 4607062

Current hierarchy: **Randy W  Burke → Fern Cove Inc → Coalbank Fork No 12 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

- **controller_controls_mine:** Romie J  Bailey → Coalbank Fork No 12 Mine; 1981-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** A F Budge Mining Ltd → Coalbank Fork No 12 Mine; 1985-03-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Phoenix Resources Inc → Coalbank Fork No 12 Mine; 1986-01-01 to 1990-04-19; source msha-controller-operator-history
- **controller_controls_operator:** A F Budge Mining Ltd → Phoenix Resources Inc; 1986-01-01 to 1990-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Craft Coal Company → Coalbank Fork No 12 Mine; 1990-04-20 to 1990-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Romie J  Bailey → Craft Coal Company; 1990-04-20 to 1990-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Fern Cove Inc → Coalbank Fork No 12 Mine; 1990-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy W  Burke → Coalbank Fork No 12 Mine; 1990-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy W  Burke → Fern Cove Inc; 1990-11-01 to current/open; source msha-controller-operator-history