# Relationship history for MSHA mine 1519044

Current hierarchy: **Dean K  Hunt → Executive Coal LLC → Van Branch  #2**

- 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:** Michael L  Horn et al → Van Branch  #2; 2005-11-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mountain View Excavating Inc → Van Branch  #2; 2006-09-07 to 2007-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Rick H  Varney → Van Branch  #2; 2006-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick H  Varney → Mountain View Excavating Inc; 2006-09-07 to 2007-02-07; source msha-controller-operator-history
- **operator_operates_mine:** Freedom Fuels LLC → Van Branch  #2; 2007-02-08 to 2008-02-25; source msha-controller-operator-history
- **controller_controls_operator:** Michael L  Horn et al → Freedom Fuels LLC; 2007-02-08 to 2008-02-25; source msha-controller-operator-history
- **controller_controls_operator:** James R  Horn et al → Freedom Fuels LLC; 2007-02-08 to 2008-02-25; source msha-controller-operator-history
- **operator_operates_mine:** Executive Coal LLC → Van Branch  #2; 2008-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dean K  Hunt → Van Branch  #2; 2008-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dean K  Hunt → Executive Coal LLC; 2008-02-26 to current/open; source msha-controller-operator-history