# Relationship history for MSHA mine 0202342

Current hierarchy: **Equalizer Inc → St. Cloud Mining Co → White Cliffs Mine & 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Goldfield Corp → White Cliffs Mine & Plant; 1950-01-01 to 2002-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Gilbert S  Mott → White Cliffs Mine & Plant; 1985-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Whitecliff Industries Inc → White Cliffs Mine & Plant; 1986-11-01 to 1993-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Gilbert S  Mott → Whitecliff Industries Inc; 1986-11-01 to 1993-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Arimetco International Inc → White Cliffs Mine & Plant; 1989-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Arimetco Inc → White Cliffs Mine & Plant; 1993-04-30 to 1999-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Arimetco International Inc → Arimetco Inc; 1993-04-30 to 1999-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Adit Canyon Llc → White Cliffs Mine & Plant; 1999-03-17 to 2002-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Ward  Siebert  et al → White Cliffs Mine & Plant; 1999-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ward  Siebert  et al → Adit Canyon Llc; 1999-03-17 to 2002-09-08; source msha-controller-operator-history
- **operator_operates_mine:** ZEOX Mineral Materials Corporation → White Cliffs Mine & Plant; 2002-09-09 to 2010-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Atlas Minerals Inc → White Cliffs Mine & Plant; 2002-09-09 to 2006-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Atlas Minerals Inc → ZEOX Mineral Materials Corporation; 2002-09-09 to 2006-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Imagin Minerals Incorporated → White Cliffs Mine & Plant; 2002-12-04 to 2024-12-12; source msha-controller-operator-history
- **controller_controls_mine:** ZEOX Corporation → White Cliffs Mine & Plant; 2006-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ZEOX Corporation → ZEOX Mineral Materials Corporation; 2006-10-04 to 2010-09-28; source msha-controller-operator-history
- **operator_operates_mine:** St. Cloud Mining Co → White Cliffs Mine & Plant; 2010-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Imagin Minerals Incorporated → St. Cloud Mining Co; 2010-09-29 to 2024-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Goldfield Corp → St. Cloud Mining Co; 2010-09-29 to 2002-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Equalizer Inc → White Cliffs Mine & Plant; 2024-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Equalizer Inc → St. Cloud Mining Co; 2024-12-13 to current/open; source msha-controller-operator-history