# Relationship history for MSHA mine 2902184

Current hierarchy: **State Of New Mexico → New Mexico Department of Transportation → RED HILL COMMUNITY PIT AKA CIMMA**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** State Of New Mexico → RED HILL COMMUNITY PIT AKA CIMMA; 1998-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Mexico State Highway & Transportation Dept → RED HILL COMMUNITY PIT AKA CIMMA; 1999-05-01 to 2008-11-23; source msha-controller-operator-history
- **controller_controls_operator:** State Of New Mexico → New Mexico State Highway & Transportation Dept; 1999-05-01 to 2008-11-23; source msha-controller-operator-history
- **controller_controls_mine:** State Of New Mexico → RED HILL COMMUNITY PIT AKA CIMMA; 2008-01-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Mexico Department of Transportation → RED HILL COMMUNITY PIT AKA CIMMA; 2008-11-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** State Of New Mexico → New Mexico Department of Transportation; 2008-11-24 to current/open; source msha-controller-operator-history