# Relationship history for MSHA mine 2103987

Current hierarchy: **Todd J Kaneski; Steve A Kaneski → Lakehead Trucking Inc. → McKeever Pit**

- 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:** Lakehead Trucking Inc. → McKeever Pit; 2020-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Todd J Kaneski Et Al → McKeever Pit; 2020-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Todd J Kaneski Et Al → Lakehead Trucking Inc.; 2020-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve A Kaneski Et Al → Lakehead Trucking Inc.; 2020-10-13 to current/open; source msha-controller-operator-history