# Relationship history for MSHA mine 0801263

Current hierarchy: **Mills Carey C → Dream Builders Construction Inc → NAVARRE 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

- **operator_operates_mine:** Dream Builders Construction Inc → NAVARRE PIT; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mills Carey C → NAVARRE PIT; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mills Carey C → Dream Builders Construction Inc; 1998-08-01 to current/open; source msha-controller-operator-history