# Relationship history for MSHA mine 1514468

Current hierarchy: **Appalachian Resource Company LLC → ARC Kentucky Resources, LLC → Rob Fork Processing**

- 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:** Donn A  Chickering → Rob Fork Processing; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bethlehem Steel Corp → Rob Fork Processing; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Beth Energy Mines Inc → Rob Fork Processing; 1984-02-01 to 1988-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Bethlehem Steel Corp → Beth Energy Mines Inc; 1984-02-01 to 1988-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Mine 29 Mining & Processing Inc → Rob Fork Processing; 1988-11-28 to 1989-10-18; source msha-controller-operator-history
- **controller_controls_mine:** Gary N  Royalty → Rob Fork Processing; 1988-11-28 to 1989-10-18; source msha-controller-operator-history
- **controller_controls_operator:** Gary N  Royalty → Mine 29 Mining & Processing Inc; 1988-11-28 to 1989-10-18; source msha-controller-operator-history
- **operator_operates_mine:** Sidewinder Mining Company → Rob Fork Processing; 1989-10-19 to 1996-01-07; source msha-controller-operator-history
- **controller_controls_mine:** (Donald) Todd  Kiscaden et al → Rob Fork Processing; 1989-10-19 to 1996-01-07; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Sidewinder Mining Company; 1989-10-19 to 1996-01-07; source msha-controller-operator-history
- **operator_operates_mine:** Branham & Baker Coal Company Inc → Rob Fork Processing; 1996-01-08 to 2001-10-29; source msha-controller-operator-history
- **controller_controls_operator:** Donn A  Chickering → Branham & Baker Coal Company Inc; 1996-01-08 to 2001-10-29; source msha-controller-operator-history
- **operator_operates_mine:** AEP Kentucky Coal, L. L. C. → Rob Fork Processing; 2001-10-30 to 2004-04-15; source msha-controller-operator-history
- **controller_controls_mine:** American Electric Power Company Inc → Rob Fork Processing; 2001-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → AEP Kentucky Coal, L. L. C.; 2001-10-30 to 2004-04-15; source msha-controller-operator-history
- **controller_controls_mine:** Wexford Capital LLC → Rob Fork Processing; 2003-05-12 to 2010-10-04; source msha-controller-operator-history
- **operator_operates_mine:** CAM - Kentucky, LLC → Rob Fork Processing; 2004-04-16 to 2005-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Wexford Capital LLC → Rob Fork Processing; 2004-04-16 to 2010-10-04; source msha-controller-operator-history
- **controller_controls_operator:** Wexford Capital LLC → CAM - Kentucky, LLC; 2004-04-16 to 2005-12-31; source msha-controller-operator-history
- **operator_operates_mine:** CAM Mining LLC → Rob Fork Processing; 2006-01-01 to 2020-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Wexford Capital LLC → CAM Mining LLC; 2006-01-01 to 2010-10-04; source msha-controller-operator-history
- **controller_controls_mine:** Rhino Resource Partners LP → Rob Fork Processing; 2010-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → CAM - Kentucky, LLC; 2010-10-05 to 2005-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → CAM Mining LLC; 2010-10-05 to 2020-08-31; source msha-controller-operator-history
- **operator_operates_mine:** ARC Kentucky Resources, LLC → Rob Fork Processing; 2020-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Appalachian Resource Company LLC → Rob Fork Processing; 2020-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Appalachian Resource Company LLC → ARC Kentucky Resources, LLC; 2020-09-01 to current/open; source msha-controller-operator-history