# Relationship history for MSHA mine 4702971

Current hierarchy: **Omya Industries Inc → Kimberly Carbonates LLC → Kimberly Carbonates, LLC.**

- 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:** Imerys S A → Kimberly Carbonates, LLC.; 1989-05-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ecc International → Kimberly Carbonates, LLC.; 1992-07-01 to 2000-03-12; source msha-controller-operator-history
- **controller_controls_mine:** English China Clays PLC → Kimberly Carbonates, LLC.; 1992-07-01 to 2000-03-12; source msha-controller-operator-history
- **controller_controls_operator:** English China Clays PLC → Ecc International; 1992-07-01 to 2000-03-12; source msha-controller-operator-history
- **operator_operates_mine:** Imerys Pigments Inc → Kimberly Carbonates, LLC.; 2000-03-13 to 2006-06-01; source msha-controller-operator-history
- **controller_controls_operator:** Imerys S A → Imerys Pigments Inc; 2000-03-13 to 2006-06-01; source msha-controller-operator-history
- **operator_operates_mine:** Kimberly Carbonates LLC → Kimberly Carbonates, LLC.; 2006-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Imerys S A → Kimberly Carbonates, LLC.; 2006-06-02 to 2014-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Imerys S A → Kimberly Carbonates LLC; 2006-06-02 to 2014-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Omya Industries Inc → Kimberly Carbonates, LLC.; 2014-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Omya Industries Inc → Kimberly Carbonates LLC; 2014-01-31 to current/open; source msha-controller-operator-history