# Relationship history for MSHA mine 3304749

Current hierarchy: **Shawn Alan  Ray → Elko Aggregate, LLC → Putnam**

- 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:** Shawn Alan  Ray → Putnam; 2017-03-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Elko Aggregate, LLC → Putnam; 2020-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawn Alan  Ray → Elko Aggregate, LLC; 2020-07-08 to current/open; source msha-controller-operator-history