# Relationship history for MSHA mine 1202540

Current hierarchy: **Tim  Fogarty; Dana  Boyd; Greg  Gould → RAZOR Aggregates, LLC → RAZOR Aggregates, LLC**

- 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:** RAZOR Aggregates, LLC → RAZOR Aggregates, LLC; 2026-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dana  Boyd et al → RAZOR Aggregates, LLC; 2026-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dana  Boyd et al → RAZOR Aggregates, LLC; 2026-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim  Fogarty et al → RAZOR Aggregates, LLC; 2026-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Gould et al → RAZOR Aggregates, LLC; 2026-06-04 to current/open; source msha-controller-operator-history