# Relationship history for MSHA mine 4406220

Current hierarchy: **Turner Fran E → Ka-Ron Enterprises Inc → No 1 Auger**

- 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:** Ka-Ron Enterprises Inc → No 1 Auger; 1985-06-01 to 1985-12-01; source msha-controller-operator-history
- **controller_controls_mine:** Turner Fran E Et Al → No 1 Auger; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Turner Fran E Et Al → Ka-Ron Enterprises Inc; 1985-06-01 to 1985-12-01; source msha-controller-operator-history
- **operator_operates_mine:** Jodaco Inc → No 1 Auger; 1985-12-02 to 1986-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Blankenship Joda → No 1 Auger; 1985-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blankenship Joda → Jodaco Inc; 1985-12-02 to 1986-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Domestic Fuel Inc → No 1 Auger; 1986-08-01 to 1987-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Haynes Vincen → No 1 Auger; 1986-08-01 to 1987-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Haynes Vincen → Domestic Fuel Inc; 1986-08-01 to 1987-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Ka-Ron Enterprises Inc → No 1 Auger; 1987-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Turner Fran E Et Al → Ka-Ron Enterprises Inc; 1987-11-09 to current/open; source msha-controller-operator-history