# Relationship history for MSHA mine 4003230

Current hierarchy: **Keith D  Dyke → Kopper Glo Fuel, Inc. → Tackett Creek 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

- **controller_controls_mine:** Robert E  Haden et al → Tackett Creek Mine; 1950-01-01 to 2007-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Jackie (Mitch)  Fannin Et Al → Tackett Creek Mine; 1998-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tennco Inc → Tackett Creek Mine; 2004-06-09 to 2005-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Jackie (Mitch)  Fannin Et Al → Tennco Inc; 2004-06-09 to 2005-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Stump Et Al → Tennco Inc; 2004-06-09 to 2005-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Kopper Glo Fuel, Inc. → Tackett Creek Mine; 2005-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Haden et al → Kopper Glo Fuel, Inc.; 2005-01-27 to 2007-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Keith D  Dyke → Tackett Creek Mine; 2007-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith D  Dyke → Kopper Glo Fuel, Inc.; 2007-07-27 to current/open; source msha-controller-operator-history