# Relationship history for MSHA mine 2302591

Current hierarchy: **Michael  Spain; Whitney  Spain → Madison County Stone LLC → Madison County Stone 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:** Madison County Stone LLC → Madison County Stone LLC; 2025-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Spain et al → Madison County Stone LLC; 2025-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Spain et al → Madison County Stone LLC; 2025-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Whitney  Spain et al → Madison County Stone LLC; 2025-03-04 to current/open; source msha-controller-operator-history