# Relationship history for MSHA mine 0201922

Current hierarchy: **Garner James → Garner & Associates → Apache Pit Iropox Corp**

- 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:** Iropox Industries Inc → Apache Pit Iropox Corp; 1979-01-01 to 1980-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Iropox Industries Inc → Apache Pit Iropox Corp; 1979-01-01 to 1980-06-24; source msha-controller-operator-history
- **controller_controls_operator:** Iropox Industries Inc → Iropox Industries Inc; 1979-01-01 to 1980-06-24; source msha-controller-operator-history
- **operator_operates_mine:** Greyback Consolidated Inc → Apache Pit Iropox Corp; 1980-06-25 to 1980-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Steward D L → Apache Pit Iropox Corp; 1980-06-25 to 1980-10-15; source msha-controller-operator-history
- **controller_controls_operator:** Steward D L → Greyback Consolidated Inc; 1980-06-25 to 1980-10-15; source msha-controller-operator-history
- **operator_operates_mine:** Garner & Associates → Apache Pit Iropox Corp; 1980-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Garner James → Apache Pit Iropox Corp; 1980-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garner James → Garner & Associates; 1980-10-16 to current/open; source msha-controller-operator-history