# Relationship history for MSHA mine 3402111

Current hierarchy: **William Andrew  Skeith → Capitol Stone LLC → Capitol Stone No. 3**

- 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:** William Andrew  Skeith → Capitol Stone No. 3; 2009-05-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Oklahoma Stone Quarries LLC → Capitol Stone No. 3; 2010-08-31 to 2014-08-17; source msha-controller-operator-history
- **controller_controls_mine:** John D  Baker → Capitol Stone No. 3; 2010-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John D  Baker → Oklahoma Stone Quarries LLC; 2010-08-31 to 2014-08-17; source msha-controller-operator-history
- **operator_operates_mine:** Capitol Stone LLC → Capitol Stone No. 3; 2014-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William Andrew  Skeith → Capitol Stone LLC; 2014-08-18 to current/open; source msha-controller-operator-history