# Relationship history for MSHA mine 4604335

Current hierarchy: **IMI Fabi SPA → IMI Fabi LLC → IMI FABI Benwood Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Benwood Limestone Company Inc → IMI FABI Benwood Plant; 1950-01-01 to 1995-05-14; source msha-controller-operator-history
- **controller_controls_mine:** James River Limestone Company Inc → IMI FABI Benwood Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Limestone Company Inc → Benwood Limestone Company Inc; 1950-01-01 to 1995-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Zemex Corp → IMI FABI Benwood Plant; 1994-12-01 to 2003-03-02; source msha-controller-operator-history
- **operator_operates_mine:** Suzorite Mineral Products Inc → IMI FABI Benwood Plant; 1995-05-15 to 1998-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Zemex Corp → Suzorite Mineral Products Inc; 1995-05-15 to 1998-03-12; source msha-controller-operator-history
- **operator_operates_mine:** IMI Fabi LLC → IMI FABI Benwood Plant; 1998-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** IMI Fabi SPA → IMI FABI Benwood Plant; 1998-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** IMI Fabi SPA → IMI Fabi LLC; 1998-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cementos Pacasmayo SSA → IMI FABI Benwood Plant; 2003-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cementos Pacasmayo SSA → Suzorite Mineral Products Inc; 2003-03-03 to 1998-03-12; source msha-controller-operator-history