# Relationship history for MSHA mine 4608904

Current hierarchy: **Rockway International LLC → DFM Coal, LLC → Patton No 11**

- 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:** Tracy W  Hylton II → Patton No 11; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tracy W  Hylton II → Patton No 11; 1992-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John C  Smith Jr → Patton No 11; 2001-03-19 to 2006-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Min Inc → Patton No 11; 2001-06-01 to 2001-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Tracy W  Hylton II → Min Inc; 2001-06-01 to 2001-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Nell Jean Industries, Inc. → Patton No 11; 2001-09-14 to 2005-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Tracy W  Hylton II → Nell Jean Industries, Inc.; 2001-09-14 to 2005-02-15; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Fuels LLC → Patton No 11; 2005-02-16 to 2007-03-13; source msha-controller-operator-history
- **controller_controls_operator:** John C  Smith Jr → Appalachian Fuels LLC; 2005-02-16 to 2006-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Energy Coal Resources Inc → Patton No 11; 2006-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Energy Coal Resources Inc → Appalachian Fuels LLC; 2006-01-17 to 2007-03-13; source msha-controller-operator-history
- **operator_operates_mine:** KWV Operations LLC → Patton No 11; 2007-03-14 to 2009-12-08; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Helton → Patton No 11; 2007-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Helton → KWV Operations LLC; 2007-03-14 to 2009-12-08; source msha-controller-operator-history
- **operator_operates_mine:** DFM Coal LLC → Patton No 11; 2009-12-09 to 2010-04-14; source msha-controller-operator-history
- **controller_controls_mine:** D B  Kazee → Patton No 11; 2009-12-09 to 2011-04-07; source msha-controller-operator-history
- **controller_controls_operator:** D B  Kazee → DFM Coal LLC; 2009-12-09 to 2010-04-14; source msha-controller-operator-history
- **operator_operates_mine:** Metelectric, LLC → Patton No 11; 2010-04-15 to 2011-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Michael S  Branham → Patton No 11; 2010-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael S  Branham → Metelectric, LLC; 2010-04-15 to 2011-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Rockway International LLC et al → Patton No 11; 2011-04-08 to 2018-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Rockway International LLC et al → DFM Coal LLC; 2011-04-08 to 2010-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Royal Bright International LLC et al → DFM Coal LLC; 2011-04-08 to 2010-04-14; source msha-controller-operator-history
- **operator_operates_mine:** DFM Coal, LLC → Patton No 11; 2011-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** D B  Kazee → DFM Coal, LLC; 2011-04-19 to 2011-04-07; source msha-controller-operator-history
- **controller_controls_operator:** Rockway International LLC et al → DFM Coal, LLC; 2011-04-19 to 2018-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Royal Bright International LLC et al → DFM Coal, LLC; 2011-04-19 to 2018-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Rockway International LLC → Patton No 11; 2018-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rockway International LLC → DFM Coal LLC; 2018-01-16 to 2010-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Rockway International LLC → DFM Coal, LLC; 2018-01-16 to current/open; source msha-controller-operator-history