# Relationship history for MSHA mine 0901068

Current hierarchy: **Clariant AG → Clariant Corporation → Clariant Corporation Georgia Mines**

- 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

- **controller_controls_mine:** Engelhard Corp → Clariant Corporation Georgia Mines; 1950-01-01 to 2006-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Rio Tinto Group → Clariant Corporation Georgia Mines; 1987-01-01 to 2005-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Floridin Company → Clariant Corporation Georgia Mines; 1992-10-01 to 1997-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Rio Tinto Group → Floridin Company; 1992-10-01 to 1997-11-14; source msha-controller-operator-history
- **operator_operates_mine:** BASF Catalysts LLC Quincy Operations → Clariant Corporation Georgia Mines; 1997-11-15 to 2011-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Engelhard Corp → BASF Catalysts LLC Quincy Operations; 1997-11-15 to 2006-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Active Minerals Inc → Clariant Corporation Georgia Mines; 2005-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Active Minerals Inc → Floridin Company; 2005-01-20 to 1997-11-14; source msha-controller-operator-history
- **controller_controls_mine:** BASF SE → Clariant Corporation Georgia Mines; 2006-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** BASF SE → BASF Catalysts LLC Quincy Operations; 2006-08-01 to 2011-04-14; source msha-controller-operator-history
- **controller_controls_mine:** BASF SE → Clariant Corporation Georgia Mines; 2007-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BASF Corporation Quincy Operations → Clariant Corporation Georgia Mines; 2011-04-15 to 2022-10-30; source msha-controller-operator-history
- **controller_controls_operator:** BASF SE → BASF Corporation Quincy Operations; 2011-04-15 to 2022-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Clariant AG → Clariant Corporation Georgia Mines; 2014-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clariant Corporation → Clariant Corporation Georgia Mines; 2022-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clariant AG → Clariant Corporation; 2022-10-31 to current/open; source msha-controller-operator-history