# Relationship history for MSHA mine 4103965

Current hierarchy: **Harrison Joe Jr & Mack E Wilson → Earth Partners Materials → CANE CREEK QY**

- 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

- **operator_operates_mine:** Earth Partners Materials → CANE CREEK QY; 1997-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harrison Joe Jr & Mack E Wilson → CANE CREEK QY; 1997-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harrison Joe Jr & Mack E Wilson → Earth Partners Materials; 1997-10-01 to current/open; source msha-controller-operator-history