# Relationship history for MSHA mine 0405216

Current hierarchy: **Cemex S A → CEMEX Construction Materials Pacific, LLC → LYTLE CREEK PIT**

- 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:** Cemex S A → LYTLE CREEK PIT; 1990-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cemex USA Construction Materials Inc → LYTLE CREEK PIT; 1993-06-01 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex USA Construction Materials Inc; 1993-06-01 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → LYTLE CREEK PIT; 2001-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX Construction Materials LP → LYTLE CREEK PIT; 2002-01-01 to 2017-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX Construction Materials LP; 2002-01-01 to 2017-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → LYTLE CREEK PIT; 2008-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX Construction Materials Pacific, LLC → LYTLE CREEK PIT; 2017-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX Construction Materials Pacific, LLC; 2017-05-01 to current/open; source msha-controller-operator-history