# Relationship history for MSHA mine 0801246

Current hierarchy: **Roger  Fina; Jean  De Cloedt → United Dredging Corp Inc → UNITED DREDGING CORP.**

- 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

- **operator_operates_mine:** United Dredging Corp Inc → UNITED DREDGING CORP.; 1996-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger  Fina et al → UNITED DREDGING CORP.; 1996-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Fina et al → United Dredging Corp Inc; 1996-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jean  De Cloedt et al → United Dredging Corp Inc; 1996-11-01 to current/open; source msha-controller-operator-history
