# Relationship history for MSHA mine 4801608

Current hierarchy: **Dana L  Sims → CIRCLE PAVING INC. → Circle Paving, Inc - Crusher #2**

- 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:** Dana L  Sims → Circle Paving, Inc - Crusher #2; 1994-08-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CIRCLE PAVING INC. → Circle Paving, Inc - Crusher #2; 2002-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dana L  Sims → CIRCLE PAVING INC.; 2002-01-04 to current/open; source msha-controller-operator-history