# Relationship history for MSHA mine 1517724

Current hierarchy: **Geoff  Coady → Low Vol Coal, LLC → Raven Prep 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Nippon Kokan K K et al → Raven Prep Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** National Mines Corp → Raven Prep Plant; 1995-10-01 to 2005-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Nippon Kokan K K et al → National Mines Corp; 1995-10-01 to 2005-07-06; source msha-controller-operator-history
- **controller_controls_mine:** Penn Virginia Corp → Raven Prep Plant; 2001-12-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** International Coal Group Inc (ICG) → Raven Prep Plant; 2004-10-01 to 2011-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Loadout LLC → Raven Prep Plant; 2005-07-07 to 2006-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Penn Virginia Corp → Loadout LLC; 2005-07-07 to 2006-01-04; source msha-controller-operator-history
- **operator_operates_mine:** KNOTT COUNTY COAL LLC → Raven Prep Plant; 2006-01-05 to 2019-03-28; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → KNOTT COUNTY COAL LLC; 2006-01-05 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Raven Prep Plant; 2011-06-15 to 2016-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → KNOTT COUNTY COAL LLC; 2011-06-15 to 2016-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Quest Energy Corporation → Raven Prep Plant; 2016-04-12 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Quest Energy Corporation → KNOTT COUNTY COAL LLC; 2016-04-12 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_mine:** American Resources Corporation → Raven Prep Plant; 2017-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Resources Corporation → KNOTT COUNTY COAL LLC; 2017-01-05 to 2019-03-28; source msha-controller-operator-history
- **operator_operates_mine:** CBD Resources, Inc → Raven Prep Plant; 2019-03-29 to 2026-07-13; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → Raven Prep Plant; 2019-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → CBD Resources, Inc; 2019-03-29 to 2026-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Low Vol Coal, LLC → Raven Prep Plant; 2026-07-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Geoff  Coady → Raven Prep Plant; 2026-07-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geoff  Coady → Low Vol Coal, LLC; 2026-07-14 to current/open; source msha-controller-operator-history