# Relationship history for MSHA mine 4105813

Current hierarchy: **Keith B Newell; Kenneth B Newell → Resolve Aggregates, LLC → Ravenna #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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Keith B Newell et al → Ravenna #2; 2017-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Resolve Aggregates, LLC → Ravenna #2; 2025-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith B Newell et al → Resolve Aggregates, LLC; 2025-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth B Newell et al → Resolve Aggregates, LLC; 2025-06-28 to current/open; source msha-controller-operator-history
