# Relationship history for MSHA mine 4604718

Current hierarchy: **Ashley N  Ward → Award Development, LLC → Slaughter Creek 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** American Electric Power Company Inc → Slaughter Creek Prep Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cedar Coal Company → Slaughter Creek Prep Plant; 1975-08-06 to 1984-09-30; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → Cedar Coal Company; 1975-08-06 to 1984-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Nu East Mining Corp → Slaughter Creek Prep Plant; 1984-10-01 to 1987-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Eastern Gas & Fuel Association → Slaughter Creek Prep Plant; 1984-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eastern Gas & Fuel Association → Nu East Mining Corp; 1984-10-01 to 1987-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Mountain View Coal Company → Slaughter Creek Prep Plant; 1987-05-15 to 1994-12-27; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Slaughter Creek Prep Plant; 1987-05-15 to 1996-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Mountain View Coal Company; 1987-05-15 to 1994-12-27; source msha-controller-operator-history
- **operator_operates_mine:** R T C Inc → Slaughter Creek Prep Plant; 1994-12-28 to 1999-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Walker Gary → Slaughter Creek Prep Plant; 1994-12-28 to 1999-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Walker Gary → R T C Inc; 1994-12-28 to 1999-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Mountain View Coal Company → Slaughter Creek Prep Plant; 1999-03-31 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Slaughter Creek Prep Plant; 1999-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Mountain View Coal Company; 1999-03-31 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling et al → Slaughter Creek Prep Plant; 2000-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Siata Equipment Company → Slaughter Creek Prep Plant; 2002-01-01 to 2003-12-07; source msha-controller-operator-history
- **controller_controls_mine:** James M  Smith → Slaughter Creek Prep Plant; 2002-01-01 to 2006-02-16; source msha-controller-operator-history
- **controller_controls_operator:** James M  Smith → Siata Equipment Company; 2002-01-01 to 2003-12-07; source msha-controller-operator-history
- **controller_controls_mine:** James M  Smith → Slaughter Creek Prep Plant; 2002-12-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Millennium Technical Services,Inc. → Slaughter Creek Prep Plant; 2003-12-08 to 2006-02-06; source msha-controller-operator-history
- **controller_controls_operator:** James M  Smith → Millennium Technical Services,Inc.; 2003-12-08 to 2006-02-06; source msha-controller-operator-history
- **operator_operates_mine:** New Millennium Technical Services, LLC → Slaughter Creek Prep Plant; 2006-02-07 to 2008-05-19; source msha-controller-operator-history
- **controller_controls_mine:** AMG Acquisitions LLC → Slaughter Creek Prep Plant; 2006-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** AMG Acquisitions LLC → New Millennium Technical Services, LLC; 2006-02-07 to 2008-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Parkstone Energy LLC → Slaughter Creek Prep Plant; 2006-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Parkstone Energy LLC → Siata Equipment Company; 2006-02-17 to 2003-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Hanover Resources LLC → Slaughter Creek Prep Plant; 2008-05-20 to 2014-09-18; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling et al → Hanover Resources LLC; 2008-05-20 to 2014-09-18; source msha-controller-operator-history
- **controller_controls_mine:** James (Brad)  Maggard → Slaughter Creek Prep Plant; 2012-08-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Thoroughbred Highwall Mining LLC → Slaughter Creek Prep Plant; 2014-09-19 to 2015-06-04; source msha-controller-operator-history
- **controller_controls_operator:** James (Brad)  Maggard → Thoroughbred Highwall Mining LLC; 2014-09-19 to 2015-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Award Development, LLC → Slaughter Creek Prep Plant; 2015-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ashley N  Ward → Slaughter Creek Prep Plant; 2015-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashley N  Ward → Award Development, LLC; 2015-06-05 to current/open; source msha-controller-operator-history