# Relationship history for MSHA mine 3304232

Current hierarchy: **John  Nicolozakes → Rayle Coal Company → Rayle River Terminal**

- 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:** John  Nicolozakes et al → Rayle River Terminal; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Nicolozakes et al → Rayle River Terminal; 1977-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rayle Coal Company → Rayle River Terminal; 1991-03-01 to 2002-12-02; source msha-controller-operator-history
- **controller_controls_operator:** John  Nicolozakes et al → Rayle Coal Company; 1991-03-01 to 2002-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Marietta Coal Company → Rayle River Terminal; 2002-12-03 to 2004-04-25; source msha-controller-operator-history
- **controller_controls_operator:** John  Nicolozakes et al → Marietta Coal Company; 2002-12-03 to 2004-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Rayle Coal Company → Rayle River Terminal; 2004-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Nicolozakes et al → Rayle Coal Company; 2004-04-26 to current/open; source msha-controller-operator-history