# Relationship history for MSHA mine 4608414

Current hierarchy: **Steve  Havrilesko → Turpin Enterprises Inc → Mine No 1**

- 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:** Caroline Leasing Inc → Mine No 1; 1994-06-01 to 1996-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery Dana C Et Al → Mine No 1; 1994-06-01 to 1996-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery Dana C Et Al → Caroline Leasing Inc; 1994-06-01 to 1996-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Turpin Enterprises Inc → Mine No 1; 1996-10-15 to 1997-03-01; source msha-controller-operator-history
- **controller_controls_mine:** Turpin Edward A → Mine No 1; 1996-10-15 to 1997-03-01; source msha-controller-operator-history
- **controller_controls_operator:** Turpin Edward A → Turpin Enterprises Inc; 1996-10-15 to 1997-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Son Energy Inc → Mine No 1; 1997-03-02 to 1998-04-27; source msha-controller-operator-history
- **controller_controls_mine:** Spencer Richard → Mine No 1; 1997-03-02 to 1998-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Spencer Richard → Son Energy Inc; 1997-03-02 to 1998-04-27; source msha-controller-operator-history
- **operator_operates_mine:** Turpin Enterprises Inc → Mine No 1; 1998-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Havrilesko → Mine No 1; 1998-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Havrilesko → Turpin Enterprises Inc; 1998-04-28 to current/open; source msha-controller-operator-history