# Relationship history for MSHA mine 4001248

Current hierarchy: **NOVADX  Ventures Corporation → Pioneer Processing LLC → Smokey Preparation Plant**

- 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

- **operator_operates_mine:** Big K Coal Company → Smokey Preparation Plant; 1950-01-01 to 1976-06-30; source msha-controller-operator-history
- **controller_controls_mine:** United Innkeepers Inc → Smokey Preparation Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United Innkeepers Inc → Big K Coal Company; 1950-01-01 to 1976-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Swisher et al → Smokey Preparation Plant; 1950-01-01 to 2008-09-11; source msha-controller-operator-history
- **operator_operates_mine:** U S Coal Inc → Smokey Preparation Plant; 1976-07-01 to 2004-04-16; source msha-controller-operator-history
- **controller_controls_mine:** William M  Bale → Smokey Preparation Plant; 2001-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William M  Bale → U S Coal Inc; 2001-04-01 to 2004-04-16; source msha-controller-operator-history
- **controller_controls_mine:** National Coal Corporation → Smokey Preparation Plant; 2003-05-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** National Coal Corporation → Smokey Preparation Plant; 2004-04-17 to 2010-12-15; source msha-controller-operator-history
- **controller_controls_operator:** National Coal Corporation → National Coal Corporation; 2004-04-17 to 2010-12-15; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Smokey Preparation Plant; 2008-09-12 to 2017-05-03; source msha-controller-operator-history
- **operator_operates_mine:** National Coal LLC → Smokey Preparation Plant; 2010-12-16 to 2010-12-27; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Smokey Preparation Plant; 2010-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → National Coal LLC; 2010-12-16 to 2010-12-27; source msha-controller-operator-history
- **operator_operates_mine:** Premium Coal Company,Inc. → Smokey Preparation Plant; 2010-12-28 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Swisher et al → Premium Coal Company,Inc.; 2010-12-28 to 2008-09-11; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Premium Coal Company,Inc.; 2010-12-28 to 2012-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Pioneer Processing LLC → Smokey Preparation Plant; 2013-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** NOVADX  Ventures Corporation → Smokey Preparation Plant; 2013-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** NOVADX  Ventures Corporation → Pioneer Processing LLC; 2013-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice lll et al → Smokey Preparation Plant; 2017-05-04 to 2022-08-23; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice lll et al → Premium Coal Company,Inc.; 2017-05-04 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Jillean L  Justice et al → Premium Coal Company,Inc.; 2017-05-04 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice III → Smokey Preparation Plant; 2022-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice III → Premium Coal Company,Inc.; 2022-08-24 to 2012-12-31; source msha-controller-operator-history