# Relationship history for MSHA mine 0600685

Current hierarchy: **donald  Metcalf → Metcalf Paving Inc. → Jackson St.**

- 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:** Connecticut Asphalt Recovery Inc → Jackson St.; 2000-04-01 to 2002-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Cocchiola → Jackson St.; 2000-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Cocchiola → Connecticut Asphalt Recovery Inc; 2000-04-01 to 2002-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Metcalf Paving Inc. → Jackson St.; 2002-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** donald  Metcalf → Jackson St.; 2002-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** donald  Metcalf → Metcalf Paving Inc.; 2002-02-28 to current/open; source msha-controller-operator-history