# Relationship history for MSHA mine 3401932

Current hierarchy: **Greg S  Conrady → Red Rock Materials LLC → Red Rock Materials, 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

- **controller_controls_mine:** Greg S  Conrady  et al → Red Rock Materials, LLC; 2003-03-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C C Recycle LLC → Red Rock Materials, LLC; 2004-03-31 to 2005-10-23; source msha-controller-operator-history
- **controller_controls_operator:** Greg S  Conrady  et al → C C Recycle LLC; 2004-03-31 to 2005-10-23; source msha-controller-operator-history
- **operator_operates_mine:** Red Rock Materials LLC → Red Rock Materials, LLC; 2005-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Greg S  Conrady  et al → Red Rock Materials, LLC; 2005-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg S  Conrady  et al → Red Rock Materials LLC; 2005-10-24 to current/open; source msha-controller-operator-history