# Relationship history for MSHA mine 3609817

Current hierarchy: **Nick  Shilatz → Green Global Machine LLC → 221 Site**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Terrance C  Shallenberger → 221 Site; 2007-02-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fayette Coal & Coke Inc → 221 Site; 2009-12-01 to 2014-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Terrance C  Shallenberger → Fayette Coal & Coke Inc; 2009-12-01 to 2014-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Green Global Machine LLC → 221 Site; 2014-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nick  Shilatz → 221 Site; 2014-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nick  Shilatz → Green Global Machine LLC; 2014-07-08 to current/open; source msha-controller-operator-history