# Relationship history for MSHA mine 4406839

Current hierarchy: **C6 Ventures LLC; Mark  Nelson → Mountaineer Metallurgical Holdings LLC → JV 20 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Sunoco, Inc. → JV 20 Mine; 1979-10-17 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → JV 20 Mine; 1979-10-29 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Robert P  Ratliff → JV 20 Mine; 1995-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jewell Smokeless Coal Corp → JV 20 Mine; 1996-05-01 to 1997-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Jewell Smokeless Coal Corp; 1996-05-01 to 1997-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Rat Contractors Inc → JV 20 Mine; 1997-01-20 to 1997-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Robert P  Ratliff → Rat Contractors Inc; 1997-01-20 to 1997-10-07; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → JV 20 Mine; 1997-10-08 to 2015-01-28; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 1997-10-08 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → JV 20 Mine; 2009-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven T  Ratliff et al → JV 20 Mine; 2011-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → JV 20 Mine; 2012-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Jewell Smokeless Coal Corp; 2012-01-17 to 1997-01-19; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Dominion Coal Corporation; 2012-01-17 to 2015-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Omega Mining Beehive Coal, LLC → JV 20 Mine; 2015-01-29 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Steven T  Ratliff et al → Omega Mining Beehive Coal, LLC; 2015-01-29 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Noah L  Vandyke et al → Omega Mining Beehive Coal, LLC; 2015-01-29 to 2016-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Blackjewel L.L.C. → JV 20 Mine; 2016-03-31 to 2019-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Blackjewel L.L.C.; 2016-03-31 to 2019-09-01; source msha-controller-operator-history
- **operator_operates_mine:** Jewell Valley Mining LLC → JV 20 Mine; 2019-09-02 to 2020-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Rhino Resource Partners LP → JV 20 Mine; 2019-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → Jewell Valley Mining LLC; 2019-09-02 to 2020-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Mountaineer Metallurgical Holdings LLC → JV 20 Mine; 2020-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Nelson Et Al → JV 20 Mine; 2020-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Nelson Et Al → Mountaineer Metallurgical Holdings LLC; 2020-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** C6 Ventures LLC Et Al → Mountaineer Metallurgical Holdings LLC; 2020-09-29 to current/open; source msha-controller-operator-history