# Relationship history for MSHA mine 3003964

Current hierarchy: **Christopher P Frueh; Timothy  Sullivan; Joel M Constantine → Eastern Aggregates LLC → RT 67 Mine**

- 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

- **operator_operates_mine:** The J. Dunn Group LLC → RT 67 Mine; 2015-11-25 to 2025-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Kurt  Nussbaum et al → RT 67 Mine; 2015-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt  Nussbaum et al → The J. Dunn Group LLC; 2015-11-25 to 2025-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Dunn et al → The J. Dunn Group LLC; 2015-11-25 to 2025-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Aggregates LLC → RT 67 Mine; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy  Sullivan et al → RT 67 Mine; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy  Sullivan et al → Eastern Aggregates LLC; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher P Frueh et al → Eastern Aggregates LLC; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel M Constantine et al → Eastern Aggregates LLC; 2025-05-19 to current/open; source msha-controller-operator-history