# Relationship history for MSHA mine 4606497

Current hierarchy: **Sandeep  Agarwal → Periama Handling, LLC → Alloy Dock**

- 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

- **operator_operates_mine:** K C C Inc → Alloy Dock; 1982-03-01 to 1989-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Edward J  King → Alloy Dock; 1982-03-01 to 1989-12-18; source msha-controller-operator-history
- **controller_controls_operator:** Edward J  King → K C C Inc; 1982-03-01 to 1989-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Vandalia Mining Corp → Alloy Dock; 1989-12-19 to 1993-02-03; source msha-controller-operator-history
- **controller_controls_mine:** MidAmerican Energy Holdings Company → Alloy Dock; 1989-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** MidAmerican Energy Holdings Company → Vandalia Mining Corp; 1989-12-19 to 1993-02-03; source msha-controller-operator-history
- **operator_operates_mine:** K C C Inc → Alloy Dock; 1993-02-04 to 2007-05-06; source msha-controller-operator-history
- **controller_controls_mine:** Bruce A  Dusch → Alloy Dock; 1993-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce A  Dusch → K C C Inc; 1993-02-04 to 2007-05-06; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling → Alloy Dock; 1994-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John C  Smith Jr → Alloy Dock; 2001-03-19 to 2006-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Energy Coal Resources Inc → Alloy Dock; 2006-01-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Fuels LLC → Alloy Dock; 2007-05-07 to 2011-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Energy Coal Resources Inc → Appalachian Fuels LLC; 2007-05-07 to 2011-09-27; source msha-controller-operator-history
- **controller_controls_operator:** John C  Smith Jr → Appalachian Fuels LLC; 2007-05-07 to 2006-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Periama Handling, LLC → Alloy Dock; 2011-09-28 to 2013-12-01; source msha-controller-operator-history
- **controller_controls_mine:** Sandeep  Agarwal → Alloy Dock; 2011-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandeep  Agarwal → Periama Handling, LLC; 2011-09-28 to 2013-12-01; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Edge Mining, Inc. → Alloy Dock; 2013-12-02 to 2014-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Mountain Edge Mining, Inc.; 2013-12-02 to 2014-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Periama Handling, LLC → Alloy Dock; 2014-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandeep  Agarwal → Periama Handling, LLC; 2014-07-15 to current/open; source msha-controller-operator-history