# Relationship history for MSHA mine 4407389

Current hierarchy: **Jeffery A  Hoops → Harold Keene Coal Company → S-32**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** (Harold) Lynn  Keene et al → S-32; 1976-05-01 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → S-32; 2012-01-17 to 2018-08-20; source msha-controller-operator-history
- **operator_operates_mine:** Harold Keene Coal Company → S-32; 2018-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Harold Keene Coal Company; 2018-08-21 to 2018-08-20; source msha-controller-operator-history
- **controller_controls_operator:** (Harold) Lynn  Keene et al → Harold Keene Coal Company; 2018-08-21 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Stinson et al → Harold Keene Coal Company; 2018-08-21 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → S-32; 2018-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Harold Keene Coal Company; 2018-08-21 to current/open; source msha-controller-operator-history