# Relationship history for MSHA mine 0202889

Current hierarchy: **Western Power & Equipment → Arizona Pacific Materials Llc → APPLE 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:** Greenberg Trust → APPLE PIT; 2000-06-01 to 2004-09-15; source msha-controller-operator-history
- **operator_operates_mine:** Arizona Pacific Materials Llc → APPLE PIT; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greenberg Trust → Arizona Pacific Materials Llc; 2000-07-01 to 2004-09-15; source msha-controller-operator-history
- **controller_controls_operator:** Pacific Coast Building Products → Arizona Pacific Materials Llc; 2000-07-01 to 2004-09-15; source msha-controller-operator-history
- **controller_controls_mine:** Western Power & Equipment → APPLE PIT; 2004-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Western Power & Equipment → Arizona Pacific Materials Llc; 2004-09-16 to current/open; source msha-controller-operator-history