# Relationship history for MSHA mine 1700809

Current hierarchy: **Lane Industries Inc → Lane Construction Corporation → 30X42 Cedar Rapids Jaw Crusher**

- 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:** Lane Industries Inc → 30X42 Cedar Rapids Jaw Crusher; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lane Construction Corporation → 30X42 Cedar Rapids Jaw Crusher; 2006-11-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → Lane Construction Corporation; 2006-11-27 to current/open; source msha-controller-operator-history