# Relationship history for MSHA mine 0202585

Current hierarchy: **Cemex S A → CEMEX Construction Materials South LLC → CEMEX-APEX**

- 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:** Calmat Company → CEMEX-APEX; 1983-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → CEMEX-APEX; 1990-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Calmat Company Of Arizona → CEMEX-APEX; 1993-01-01 to 1998-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Calmat Company → Calmat Company Of Arizona; 1993-01-01 to 1998-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Cemex Construction Materials Inc. → CEMEX-APEX; 1998-05-30 to 2003-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex Construction Materials Inc.; 1998-05-30 to 2003-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → CEMEX-APEX; 2001-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cemex Construction Materials LP → CEMEX-APEX; 2003-08-12 to 2008-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex Construction Materials LP; 2003-08-12 to 2008-07-31; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX Construction Materials South LLC → CEMEX-APEX; 2008-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → CEMEX-APEX; 2008-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX Construction Materials South LLC; 2008-08-01 to current/open; source msha-controller-operator-history