# Relationship history for MSHA mine 3608282

Current hierarchy: **Theodore  Yowonske → Carbon Fuel Resources Inc → Edenborn**

- 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:** Le Ann Construction Company → Edenborn; 1991-09-01 to 1992-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Harold L  Dillow et al → Edenborn; 1991-09-01 to 1992-10-27; source msha-controller-operator-history
- **controller_controls_operator:** Harold L  Dillow et al → Le Ann Construction Company; 1991-09-01 to 1992-10-27; source msha-controller-operator-history
- **operator_operates_mine:** Carriage Mining Inc → Edenborn; 1992-10-28 to 2000-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  Wilkinson → Edenborn; 1992-10-28 to 2000-08-16; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Wilkinson → Carriage Mining Inc; 1992-10-28 to 2000-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Theodore  Yowonske → Edenborn; 1997-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pennsylvania General Leasing Inc → Edenborn; 2000-08-17 to 2003-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Theodore  Yowonske → Edenborn; 2000-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Yowonske → Pennsylvania General Leasing Inc; 2000-08-17 to 2003-09-22; source msha-controller-operator-history
- **operator_operates_mine:** Carbon Fuel Resources Inc → Edenborn; 2003-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Yowonske → Carbon Fuel Resources Inc; 2003-09-23 to current/open; source msha-controller-operator-history