# Relationship history for MSHA mine 0301675

Current hierarchy: **Jody Dee  Fronk → Middle Mountain Mine → Middle Mountain 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:** Fiddler'S Ridge → Middle Mountain Mine; 1989-09-01 to 2006-04-09; source msha-controller-operator-history
- **controller_controls_mine:** James  Fecho → Middle Mountain Mine; 1989-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Fecho → Fiddler'S Ridge; 1989-09-01 to 2006-04-09; source msha-controller-operator-history
- **operator_operates_mine:** Middle Mountain Mine → Middle Mountain Mine; 2006-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jody Dee  Fronk → Middle Mountain Mine; 2006-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody Dee  Fronk → Middle Mountain Mine; 2006-04-10 to current/open; source msha-controller-operator-history