# Relationship history for MSHA mine 4703866

Current hierarchy: **Janesville Sand & Gravel Company → LYCON Inc. → LYCON Hellickson 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Janesville Sand & Gravel Company → LYCON Hellickson Pit; 1983-03-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Raymond P. Cattell, Inc. → LYCON Hellickson Pit; 2020-04-20 to 2023-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Wade A Cattell → LYCON Hellickson Pit; 2020-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wade A Cattell → Raymond P. Cattell, Inc.; 2020-04-20 to 2023-03-26; source msha-controller-operator-history
- **operator_operates_mine:** LYCON Inc. → LYCON Hellickson Pit; 2023-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janesville Sand & Gravel Company → LYCON Inc.; 2023-03-27 to current/open; source msha-controller-operator-history