# Relationship history for MSHA mine 4607736

Current hierarchy: **SunCoke Energy Incorporated → Kanawha River Terminals LLC → Quincy Dock**

- 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:** James T  Hatfield → Quincy Dock; 1986-08-01 to 1990-01-17; source msha-controller-operator-history
- **operator_operates_mine:** Hatfield Dock & Transfer Inc → Quincy Dock; 1989-07-01 to 1990-01-17; source msha-controller-operator-history
- **controller_controls_operator:** James T  Hatfield → Hatfield Dock & Transfer Inc; 1989-07-01 to 1990-01-17; source msha-controller-operator-history
- **operator_operates_mine:** Kanawha River Terminals Inc → Quincy Dock; 1990-01-18 to 2000-11-29; source msha-controller-operator-history
- **controller_controls_mine:** Florida Progress Corporation → Quincy Dock; 1990-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Florida Progress Corporation → Kanawha River Terminals Inc; 1990-01-18 to 2000-11-29; source msha-controller-operator-history
- **operator_operates_mine:** Kanawha River Terminals LLC → Quincy Dock; 2000-11-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Progress Energy Inc → Quincy Dock; 2000-11-30 to 2008-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Progress Energy Inc → Kanawha River Terminals LLC; 2000-11-30 to 2008-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Traxys North America LLC et al → Quincy Dock; 2008-05-01 to 2013-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Traxys North America LLC et al → Kanawha River Terminals LLC; 2008-05-01 to 2013-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Pegasus Capital Advisors LP et al → Kanawha River Terminals LLC; 2008-05-01 to 2013-09-30; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Quincy Dock; 2013-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Kanawha River Terminals LLC; 2013-10-01 to current/open; source msha-controller-operator-history