# Relationship history for MSHA mine 4606289

Current hierarchy: **Maynor Steve → Jude Energy Inc → Eagle 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:** B & B Coal Company → Eagle Mine; 1981-02-01 to 1988-02-22; source msha-controller-operator-history
- **controller_controls_mine:** Browning Calvin & Herbert Bolden Et Al → Eagle Mine; 1981-02-01 to 1988-02-22; source msha-controller-operator-history
- **controller_controls_operator:** Browning Calvin & Herbert Bolden Et Al → B & B Coal Company; 1981-02-01 to 1988-02-22; source msha-controller-operator-history
- **operator_operates_mine:** Jude Energy Inc → Eagle Mine; 1988-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Maynor Steve → Eagle Mine; 1988-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maynor Steve → Jude Energy Inc; 1988-02-23 to current/open; source msha-controller-operator-history