# Relationship history for MSHA mine 1202201

Current hierarchy: **Keith P  Sullivan; Rick P  Sullivan → Navillus Aggregates Llc → NAVILLUS AGGREGATES**

- 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:** Navillus Aggregates Llc → NAVILLUS AGGREGATES; 1996-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rick P  Sullivan et al → NAVILLUS AGGREGATES; 1996-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick P  Sullivan et al → Navillus Aggregates Llc; 1996-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith P  Sullivan et al → Navillus Aggregates Llc; 1996-09-01 to current/open; source msha-controller-operator-history