# Relationship history for MSHA mine 4703358

Current hierarchy: **Janesville Sand & Gravel Company → LYCON, Inc. → LYCON Wellnitz 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 Wellnitz Pit; 1983-03-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Five Star Trucking Inc → LYCON Wellnitz Pit; 2003-07-01 to 2024-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Todd A  Larsen  et al → LYCON Wellnitz Pit; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Todd A  Larsen  et al → Five Star Trucking Inc; 2003-07-01 to 2024-03-26; source msha-controller-operator-history
- **controller_controls_operator:** Mike R  Larsen  et al → Five Star Trucking Inc; 2003-07-01 to 2024-03-26; source msha-controller-operator-history
- **operator_operates_mine:** LYCON Inc. → LYCON Wellnitz Pit; 2024-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janesville Sand & Gravel Company → LYCON Inc.; 2024-03-27 to current/open; source msha-controller-operator-history