# Relationship history for MSHA mine 1516290

Current hierarchy: **Arch Resources Inc → ICG East Kentucky LLC → Sandlick Loadout**

- 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 → Sandlick Loadout; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Sandlick Loadout; 1983-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Sandlick Loadout; 1984-10-04 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Addington Inc → Sandlick Loadout; 1988-02-01 to 1994-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Addington Inc; 1988-02-01 to 1994-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Addington Inc → Sandlick Loadout; 1994-01-14 to 1998-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → Sandlick Loadout; 1994-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Addington Inc; 1994-01-14 to 1998-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Branham & Baker Coal Company Inc → Sandlick Loadout; 1998-07-01 to 2001-10-29; source msha-controller-operator-history
- **controller_controls_operator:** Donn A  Chickering → Branham & Baker Coal Company Inc; 1998-07-01 to 2001-10-29; source msha-controller-operator-history
- **operator_operates_mine:** AEP Kentucky Coal, L.L.C. → Sandlick Loadout; 2001-10-30 to 2002-03-06; source msha-controller-operator-history
- **controller_controls_mine:** American Electric Power Company Inc → Sandlick Loadout; 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 2002-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Sidney Coal Company, Inc. → Sandlick Loadout; 2002-03-07 to 2007-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Sidney Coal Company, Inc.; 2002-03-07 to 2007-07-15; source msha-controller-operator-history
- **controller_controls_mine:** International Coal Group Inc (ICG) → Sandlick Loadout; 2004-10-27 to 2011-06-14; source msha-controller-operator-history
- **operator_operates_mine:** ICG East Kentucky LLC → Sandlick Loadout; 2007-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → ICG East Kentucky LLC; 2007-07-16 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Sandlick Loadout; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Sidney Coal Company, Inc.; 2011-06-01 to 2007-07-15; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Sandlick Loadout; 2011-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → ICG East Kentucky LLC; 2011-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Sandlick Loadout; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Sidney Coal Company, Inc.; 2016-07-26 to 2007-07-15; source msha-controller-operator-history