# Relationship history for MSHA mine 0402638

Current hierarchy: **Nestle S A → Nestle Purina PetCare Company → Maricopa 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:** Edward Lowe Industries Inc → Maricopa Plant; 1950-01-01 to 1991-01-22; source msha-controller-operator-history
- **operator_operates_mine:** Panamint Marketing Company Inc → Maricopa Plant; 1950-01-01 to 1980-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Maricopa Mining Inc → Maricopa Plant; 1950-01-01 to 1980-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Maricopa Mining Inc → Panamint Marketing Company Inc; 1950-01-01 to 1980-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Southern Clay-Div/Edward Lowe Industries Inc → Maricopa Plant; 1980-05-22 to 1991-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Edward Lowe Industries Inc → Southern Clay-Div/Edward Lowe Industries Inc; 1980-05-22 to 1991-01-22; source msha-controller-operator-history
- **operator_operates_mine:** Golden Cat Corp → Maricopa Plant; 1991-01-23 to 1995-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Good Capital Inc & Knightsbridge Inc → Maricopa Plant; 1991-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Good Capital Inc & Knightsbridge Inc → Golden Cat Corp; 1991-01-23 to 1995-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Ralston Purina Company → Maricopa Plant; 1995-05-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ralston Purina Company → Maricopa Plant; 1995-05-15 to 2001-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Ralston Purina Company → Ralston Purina Company; 1995-05-15 to 2001-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Nestle Purina PetCare Company → Maricopa Plant; 2001-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nestle S A → Maricopa Plant; 2002-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nestle S A → Nestle Purina PetCare Company; 2002-01-12 to current/open; source msha-controller-operator-history