# Relationship history for MSHA mine 4407045

Current hierarchy: **Jeffery A  Hoops → Blackjewel L.L.C. → D-19**

- 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:** Sunoco, Inc. → D-19; 1979-10-29 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** James R  Gibbs et al → D-19; 1995-09-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → D-19; 2002-02-20 to 2005-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 2002-02-20 to 2005-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Creek Mining Corp → D-19; 2005-03-21 to 2011-05-05; source msha-controller-operator-history
- **controller_controls_operator:** James R  Gibbs et al → Laurel Creek Mining Corp; 2005-03-21 to 2011-05-05; source msha-controller-operator-history
- **controller_controls_mine:** Noah L  Vandyke → D-19; 2006-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → D-19; 2009-05-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Diamond Coal Co. → D-19; 2011-05-06 to 2015-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Wolford → D-19; 2011-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Wolford → Black Diamond Coal Co.; 2011-05-06 to 2015-04-30; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → D-19; 2012-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Dominion Coal Corporation; 2012-01-17 to 2005-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Pioneer Coal, Inc. → D-19; 2015-05-01 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Noah L  Vandyke → Pioneer Coal, Inc.; 2015-05-01 to 2016-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Blackjewel L.L.C. → D-19; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Blackjewel L.L.C.; 2016-03-31 to current/open; source msha-controller-operator-history